return from tick() if no broadcast messages found

Author: TraceLD

server/src/main/java/club/moddedminecraft/polychat/server/Broadcaster.java

@@ -28,6 +28,10 @@ public Broadcaster(String broadcastID, String broadcastPrefix, List<String> broa
     }
 
     public void tick() {
+        if (broadcastMessages.size() == 0) {
+            return;
+        }
+
         if (broadcastsTimer == BROADCAST_EVERY_X_IN_TICKS) {
             broadcast();
             broadcastsTimer = 0;