Fix crash when scene has LineEdit and run from editor

scene/gui/line_edit.cpp

@@ -534,7 +534,7 @@ void LineEdit::_notification(int p_what) {
 	switch (p_what) {
 #ifdef TOOLS_ENABLED
 		case NOTIFICATION_ENTER_TREE: {
-			if (!get_tree()->is_node_being_edited(this)) {
+			if (Engine::get_singleton()->is_editor_hint() && !get_tree()->is_node_being_edited(this)) {
 				cursor_set_blink_enabled(EDITOR_DEF("text_editor/cursor/caret_blink", false));
 				cursor_set_blink_speed(EDITOR_DEF("text_editor/cursor/caret_blink_speed", 0.65));