feat: properties menu in Files and delete confirmation for directories

programs/src/desktop/apps/filemanager/events.cpp

@@ -50,6 +50,7 @@ void filemanager_on_mouse(Window* win, MouseEvent& ev) {
             case CTX_RENAME:     filemanager_start_rename(fm); break;
             case CTX_DELETE:     filemanager_delete_selected(fm); break;
             case CTX_NEW_FOLDER: filemanager_new_folder(fm); break;
+            case CTX_PROPERTIES: filemanager_show_properties(fm, target); break;
             }
             return;
         }