Replace auto completion shortcut for mac

core/input/input_map.cpp

@@ -467,7 +467,7 @@ const OrderedHashMap<String, List<Ref<InputEvent>>> &InputMap::get_builtins() {
 
 	// ///// UI Text Input Shortcuts /////
 	inputs = List<Ref<InputEvent>>();
-	inputs.push_back(InputEventKey::create_reference(KEY_SPACE | KEY_MASK_CMD));
+	inputs.push_back(InputEventKey::create_reference(KEY_SPACE | KEY_MASK_CTRL));
 	default_builtin_cache.insert("ui_text_completion_query", inputs);
 
 	inputs = List<Ref<InputEvent>>();