fix: switch typo in ConditionAction

Author: jdrueckert

engine/src/main/java/org/terasology/engine/logic/behavior/actions/conditions/ConditionAction.java

@@ -127,7 +127,7 @@ protected boolean condition(Actor actor) throws ClassNotFoundException, NoSuchFi
                                     break;
                                 case "!":
                                 case "!=":
-                                    passing = (Double) fieldValue == Double.parseDouble(secondValue);
+                                    passing = (Double) fieldValue != Double.parseDouble(secondValue);
                                     break;
                                 case "<=":
                                     passing = ((Number) fieldValue).doubleValue() <= Double.parseDouble(secondValue);