Merge pull request #113830 from cpl-s-matsuyama/fix-gameview-settings-callback-crash-on-exit

Fix crash on quit when `settings_changed` signal is emitted during exit

editor/run/game_view_plugin.cpp

@@ -507,6 +507,10 @@ void GameView::_embedded_process_focused() {
 }
 
 void GameView::_editor_or_project_settings_changed() {
+	if (!is_inside_tree()) {
+		return;
+	}
+
 	// Update the window size and aspect ratio.
 	_update_embed_window_size();