Fixed: Bombs not spawning and Marker disappearing while other Bomb is...

Fixed: Bombs not spawning and Marker disappearing while other Bomb is spawning, -> But creates Exception

src/main/java/de/hdm_stuttgart/battlearena/Model/Entity/GameplayObjects/BigBomb.java

@@ -198,7 +198,7 @@ public class BigBomb implements IEntity {
     }
 
     public void spawnExplosion(int spawnCordY, int spawnCordX, GraphicsContext graphicsContext){
-        List<IEntity> explosionspawns = runtimeInfo.getExplosionspawns();
+        List<IEntity> explosionspawns = runtimeInfo.getGameplayObjects();
         IEntity explosion = EntityFactory.createGameplayObject(ObjectType.EXPLOSION, spawnCordX * scaledTileSize, spawnCordY * scaledTileSize, graphicsContext);
         explosionspawns.add(explosion);
         runtimeInfo.setGameplayObjects(explosionspawns);