[JS] Fix method sendEvent for event types different from custom

pubnub-chat-api/api/pubnub-chat-api.api

@@ -564,12 +564,28 @@ public final class com/pubnub/chat/types/EventContent$Companion {
 }
 
 public final class com/pubnub/chat/types/EventContent$Custom : com/pubnub/chat/types/EventContent {
+	public static final field Companion Lcom/pubnub/chat/types/EventContent$Custom$Companion;
 	public fun <init> (Ljava/util/Map;Lcom/pubnub/chat/types/EmitEventMethod;)V
 	public synthetic fun <init> (Ljava/util/Map;Lcom/pubnub/chat/types/EmitEventMethod;ILkotlin/jvm/internal/DefaultConstructorMarker;)V
 	public final fun getData ()Ljava/util/Map;
 	public final fun getMethod ()Lcom/pubnub/chat/types/EmitEventMethod;
 }
 
+public synthetic class com/pubnub/chat/types/EventContent$Custom$$serializer : kotlinx/serialization/internal/GeneratedSerializer {
+	public static final field INSTANCE Lcom/pubnub/chat/types/EventContent$Custom$$serializer;
+	public final fun childSerializers ()[Lkotlinx/serialization/KSerializer;
+	public final fun deserialize (Lkotlinx/serialization/encoding/Decoder;)Lcom/pubnub/chat/types/EventContent$Custom;
+	public synthetic fun deserialize (Lkotlinx/serialization/encoding/Decoder;)Ljava/lang/Object;
+	public final fun getDescriptor ()Lkotlinx/serialization/descriptors/SerialDescriptor;
+	public final fun serialize (Lkotlinx/serialization/encoding/Encoder;Lcom/pubnub/chat/types/EventContent$Custom;)V
+	public synthetic fun serialize (Lkotlinx/serialization/encoding/Encoder;Ljava/lang/Object;)V
+	public fun typeParametersSerializers ()[Lkotlinx/serialization/KSerializer;
+}
+
+public final class com/pubnub/chat/types/EventContent$Custom$Companion {
+	public final fun serializer ()Lkotlinx/serialization/KSerializer;
+}
+
 public final class com/pubnub/chat/types/EventContent$Invite : com/pubnub/chat/types/EventContent {
 	public static final field Companion Lcom/pubnub/chat/types/EventContent$Invite$Companion;
 	public fun <init> (Lcom/pubnub/chat/types/ChannelType;Ljava/lang/String;)V