FEAT #11296 TIME 2 add autocomplete folders route

rest/index.php

src/app/folder/controllers/FolderController.php

src/app/folder/models/FolderModelAbstract.php

src/core/controllers/AutoCompleteController.php

src/frontend/app/folder/panel/panel-folder.component.html

src/frontend/app/folder/panel/panel-folder.component.ts