Hotfix clear simulator

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/features/simulator/TNTSimulator.java

@@ -117,6 +117,10 @@ public class TNTSimulator {
         return tntSpawns;
     }
 
+    public void clear() {
+        new ArrayList<>(tntElementList).forEach(this::remove);
+    }
+
     public void remove(SimulatorElement element) {
         if (element instanceof TNTElement) {
             TNTElement tntElement = (TNTElement) element;

BauSystem_Main/src/de/steamwar/bausystem/features/simulator/gui/TNTSimulatorGui.java

@@ -130,7 +130,7 @@ public class TNTSimulatorGui {
             inv.setItem(51, new SWItem(Material.BARRIER, BauSystem.MESSAGE.parse("SIMULATOR_GUI_DELETE", player), clickType -> {
                 if (currentTntSimulator != null) {
                     currentTntSimulator.getTntElementList().forEach(SimulatorElement::close);
-                    currentTntSimulator.getTntElementList().clear();
+                    currentTntSimulator.clear();
                     player.closeInventory();
                 } else {
                     TNTSimulator tntSimulator = SimulatorStorage.getSimulator(player);