Move listener binding to lifecycle method

Author: kgryte

src/components/BranchMenu.tsx

@@ -79,7 +79,6 @@ export class BranchMenu extends React.Component<
     super(props);
 
     const repo = this.props.model.pathRepository;
-    this._addListeners();
 
     this.state = {
       filter: '',
@@ -89,6 +88,13 @@ export class BranchMenu extends React.Component<
     };
   }
 
+  /**
+   * Callback invoked immediately after mounting a component (i.e., inserting into a tree).
+   */
+  componentDidMount(): void {
+    this._addListeners();
+  }
+
   /**
    * Callback invoked when a component will no longer be mounted.
    */