Fix chat disconnects

SpigotCore_9/build.gradle

@@ -43,6 +43,8 @@ sourceSets {
 }
 
 dependencies {
+    compileOnly 'com.viaversion:viaversion-api:4.3.1'
+
     compileOnly project(":SpigotCore_Main")
     compileOnly project(":SpigotCore_8")
 

SpigotCore_9/src/de/steamwar/core/BountifulWrapper9.java

@@ -20,6 +20,7 @@
 package de.steamwar.core;
 
 import com.comphenix.tinyprotocol.Reflection;
+import com.viaversion.viaversion.api.Via;
 import net.md_5.bungee.api.ChatMessageType;
 import net.md_5.bungee.api.chat.BaseComponent;
 import org.bukkit.Sound;
@@ -36,6 +37,9 @@ public class BountifulWrapper9 implements BountifulWrapper.IBountifulWrapper {
 
     @Override
     public void sendMessage(Player player, ChatMessageType type, BaseComponent... msg) {
+        if(type == ChatMessageType.CHAT && Via.getAPI().getPlayerVersion(player.getUniqueId()) >= 759)
+            type = ChatMessageType.SYSTEM;
+
         player.spigot().sendMessage(type, msg);
     }