Add missing kick event cause

patches/server/Add-PlayerKickEvent-causes.patch

@@ -136,6 +136,15 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
          }
          // Paper start
          PlayerResourcePackStatusEvent.Status packStatus = PlayerResourcePackStatusEvent.Status.values()[packet.getAction().ordinal()];
+@@ -0,0 +0,0 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
+         if (this.keepAlivePending) {
+             if (!this.processedDisconnect && elapsedTime >= KEEPALIVE_LIMIT) { // check keepalive limit, don't fire if already disconnected
+                 ServerGamePacketListenerImpl.LOGGER.warn("{} was kicked due to keepalive timeout!", this.player.getScoreboardName()); // more info
+-                this.disconnect(ServerCommonPacketListenerImpl.TIMEOUT_DISCONNECTION_MESSAGE);
++                this.disconnect(ServerCommonPacketListenerImpl.TIMEOUT_DISCONNECTION_MESSAGE, org.bukkit.event.player.PlayerKickEvent.Cause.TIMEOUT); // Paper - kick event cause
+             }
+         } else {
+             if (elapsedTime >= 15000L) { // 15 seconds
 @@ -0,0 +0,0 @@ public abstract class ServerCommonPacketListenerImpl implements ServerCommonPack
      }