Method is_exiting

editor/editor_node.h:1004–1004

	void reload_instances_with_path_in_edited_scenes();

	bool is_exiting() const { return exiting; }

	Dictionary drag_resource(const Ref<Resource> &p_res, Control *p_from);
	Dictionary drag_files_and_dirs(const Vector<String> &p_paths, Control *p_from);