Optimize repo delete 2 (#4628)

* optimzie group repo delete logic

* repair code bug

* optimize repo delete code

frontend/src/components/dialog/delete-repo-dialog.js

@@ -6,6 +6,7 @@ import { Utils } from '../../utils/utils';
 
 const propTypes = {
   repo: PropTypes.object.isRequired,
+  isRepoDeleted: PropTypes.bool.isRequired,
   toggle: PropTypes.func.isRequired,
   onDeleteRepo: PropTypes.func.isRequired,
 };
@@ -19,6 +20,12 @@ class DeleteRepoDialog extends Component {
     };
   }
 
+  componentWillReceiveProps(nextProps) {
+    if (!nextProps.isRepoDeleted) {
+      this.setState({isRequestSended: false});
+    }
+  }
+
   toggle = () => {
     this.props.toggle();
   }