[MM-23784] Removed unnecessary code for focusing the mattermost view (#1258)

src/browser/components/MattermostView.jsx

@@ -234,11 +234,7 @@ export default class MattermostView extends React.Component {
 
   focusOnWebView = () => {
     const webview = this.webviewRef.current;
-    const webContents = webview.getWebContents(); // webContents might not be created yet.
-    if (webContents) {
-      webview.focus();
-      webContents.focus();
-    }
+    webview.focus();
   }
 
   handleMouseMove = (event) => {