fix single file upload
fix single file upload

fix single file upload

UH-CI/uh-togo-angular-filemanager,UH-CI/uh-togo-angular-filemanager,UH-CI/uh-togo-angular-filemanager,UH-CI/uh-togo-angular-filemanager,UH-CI/uh-togo-angular-filemanager