If a resource is delete from fs dialog, but the resource is currently loaded,

clear the path of the resource. Fixes #5110

tools/editor/scenes_dock.cpp

@@ -1052,6 +1052,7 @@ void ScenesDock::_file_option(int p_option) {
 				if (path.ends_with("/") || !files->is_selected(i))
 					continue;
 				torem.push_back(path);
+
 			}
 
 			if (torem.empty()) {