Join Laag

[nicolube]

Describe the bug
I did some profiling my server in the search auf laag spices.
While doing so I discovered, that the join event takes a bit too long.
Plugin timings are normaly smaller then 1% of a hole tick.

Screenshots
If applicable, add screenshots to help explain your problem.
SparkProfile
Viewer

Desktop (please complete the following information):

• Plugin Version: 6.10.2-pre4
• Server Version: 1.20.2
• Web client used: https://voice.primeblocks.net
• Other setup details: Java 21 (GraalVM)

Additional context
Add any other context about the problem here.
OpenAudioMc Vistas Setup

[nicolube]

And here we got an Threaddub from something blocking within OpenAudioMc

[18:09:57] [Paper Watchdog Thread/ERROR]: --- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH  - git-Paper-"931781c" (MC: 1.20.2) ---
[18:09:57] [Paper Watchdog Thread/ERROR]: The server has not responded for 10 seconds! Creating thread dump
[18:09:57] [Paper Watchdog Thread/ERROR]: ------------------------------
[18:09:57] [Paper Watchdog Thread/ERROR]: Server thread dump (Look for plugins here before reporting to Paper!):
[18:09:57] [Paper Watchdog Thread/ERROR]: Handling packet for connection: net.minecraft.server.network.ServerConfigurationPacketListenerImpl@6fc737b
[18:09:57] [Paper Watchdog Thread/ERROR]: ------------------------------
[18:09:57] [Paper Watchdog Thread/ERROR]: Current Thread: Server thread
[18:09:57] [Paper Watchdog Thread/ERROR]: 	PID: 75 | Suspended: false | Native: true | State: RUNNABLE
[18:09:57] [Paper Watchdog Thread/ERROR]: 	Stack:
[18:09:57] [Paper Watchdog Thread/ERROR]: 		[email protected]/java.net.Inet6AddressImpl.getHostByAddr(Native Method)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		[email protected]/java.net.InetAddress$PlatformResolver.lookupByAddress(InetAddress.java:1225)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		[email protected]/java.net.InetAddress.getHostFromNameService(InetAddress.java:840)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		[email protected]/java.net.InetAddress.getHostName(InetAddress.java:782)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		[email protected]/java.net.InetAddress.getHostName(InetAddress.java:754)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		[email protected]/java.net.InetSocketAddress$InetSocketAddressHolder.getHostName(InetSocketAddress.java:83)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		[email protected]/java.net.InetSocketAddress.getHostName(InetSocketAddress.java:367)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		openaudiomc-6.10.2.jar//com.craftmend.openaudiomc.spigot.modules.users.adapters.SpigotUserAdapter.getIpAddress(SpigotUserAdapter.java:135)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		com.craftmend.openaudiomc.vistas.client.users.VistasUser.<init>(VistasUser.java:48)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		com.craftmend.openaudiomc.vistas.client.client.ClientUserHooks.playerToUser(ClientUserHooks.java:66)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		com.craftmend.openaudiomc.vistas.client.client.ClientUserHooks.byUuid(ClientUserHooks.java:54)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		openaudiomc-6.10.2.jar//com.craftmend.openaudiomc.spigot.modules.players.SpigotPlayerService.register(SpigotPlayerService.java:62)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		openaudiomc-6.10.2.jar//com.craftmend.openaudiomc.spigot.modules.players.listeners.PlayerConnectionListener.onJoin(PlayerConnectionListener.java:14)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor490.execute(Unknown Source)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:77)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:81)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:126)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:615)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.players.PlayerList.placeNewPlayer(PlayerList.java:346)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.network.ServerConfigurationPacketListenerImpl.handleConfigurationFinished(ServerConfigurationPacketListenerImpl.java:130)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.network.protocol.configuration.ServerboundFinishConfigurationPacket.handle(ServerboundFinishConfigurationPacket.java:18)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.network.protocol.configuration.ServerboundFinishConfigurationPacket.a(ServerboundFinishConfigurationPacket.java:9)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.network.protocol.PacketUtils.lambda$ensureRunningOnSameThread$0(PacketUtils.java:53)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.network.protocol.PlayerConnectionUtils$$Lambda/0x00007feb42516318.run(Unknown Source)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.TickTask.run(TickTask.java:18)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:153)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1324)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.MinecraftServer.wrapRunnable(MinecraftServer.java:193)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:126)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1301)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1294)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.util.thread.BlockableEventLoop.runAllTasks(BlockableEventLoop.java:114)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:1410)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1156)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:315)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		net.minecraft.server.MinecraftServer$$Lambda/0x00007feb40ad2f60.run(Unknown Source)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		[email protected]/java.lang.Thread.runWith(Thread.java:1596)
[18:09:57] [Paper Watchdog Thread/ERROR]: 		[email protected]/java.lang.Thread.run(Thread.java:1583)
[18:09:57] [Paper Watchdog Thread/ERROR]: ------------------------------
[18:09:57] [Paper Watchdog Thread/ERROR]: --- DO NOT REPORT THIS TO PAPER - THIS IS NOT A BUG OR A CRASH ---
[18:09:57] [Paper Watchdog Thread/ERROR]: ------------------------------