Add ExhaustionReason for ApplyExhaustion EnchantmentEffect (#13224)

Author: Doc94

paper-api/src/main/java/org/bukkit/event/entity/EntityExhaustionEvent.java

@@ -134,6 +134,12 @@ public enum ExhaustionReason {
          * Player regenerated health
          */
         REGEN,
+        /**
+         * Player was affected by an enchantment
+         * @see <a href="https://minecraft.wiki/w/Enchantment_definition#apply_exhaustion">Minecraft Wiki: Enchantment Effects "apply_exhaustion"</a>
+         */
+        // TODO - snapshot - In release check if this Wiki URL exists
+        ENCHANTMENT_EFFECT,
         /**
          * Unknown exhaustion reason
          */

paper-server/patches/sources/net/minecraft/world/item/enchantment/effects/ApplyExhaustion.java.patch

@@ -0,0 +1,11 @@
+--- a/net/minecraft/world/item/enchantment/effects/ApplyExhaustion.java
++++ b/net/minecraft/world/item/enchantment/effects/ApplyExhaustion.java
+@@ -17,7 +_,7 @@
+     @Override
+     public void apply(ServerLevel level, int enchantmentLevel, EnchantedItemInUse item, Entity entity, Vec3 origin) {
+         if (entity instanceof Player player) {
+-            player.causeFoodExhaustion(this.amount.calculate(enchantmentLevel));
++            player.causeFoodExhaustion(this.amount.calculate(enchantmentLevel), org.bukkit.event.entity.EntityExhaustionEvent.ExhaustionReason.ENCHANTMENT_EFFECT); // Paper - add ExhaustionReason
+         }
+     }
+