Fix ScriptSystem in 1.15?

BauSystem_Main/src/de/steamwar/bausystem/features/tpslimit/TPSSystem.java

@@ -64,6 +64,8 @@ public class TPSSystem implements Listener {
     }
 
     public TPSSystem() {
+        instance = this;
+
         if (TPSFreezeUtils.isCanFreeze()) {
             new TPSFreezeCommand();
             new TickFreezeCommand();
@@ -82,8 +84,6 @@ public class TPSSystem implements Listener {
         new TickDefaultCommand();
         new TPSBaseCommand();
         new TickBaseCommand();
-
-        instance = this;
     }
 
     private void setTPS(double tps) {