Fix Array and Dictionary id() and dictionary test bug

(cherry picked from commit e2ed9d13eb)

core/dictionary.cpp

@@ -280,7 +280,7 @@ void Dictionary::operator=(const Dictionary &p_dictionary) {
 }
 
 const void *Dictionary::id() const {
-	return _p->variant_map.id();
+	return _p;
 }
 
 Dictionary::Dictionary(const Dictionary &p_from) {