update tutorial-v2-nodejs-desktop.md

Fixing issue https://github.com/MicrosoftDocs/azure-docs/issues/84415. In Eelectron 12 contextIsolation was enabled by default. To restore the previous behavior contextIsolation must be set to false in the current version of Electron. Please follow this link for more details https://www.electronjs.org/docs/latest/breaking-changes?fbclid=IwAR0Rj4Ujb2LAJwt9EJocrMzdTzRul1aIcPYQIPQKoqBdxRTjc853Ev39PWA#default-changed-contextisolation-defaults-to-true

Author: salman90

articles/active-directory/develop/tutorial-v2-nodejs-desktop.md

@@ -153,7 +153,8 @@ Create a folder to host your application, for example *ElectronDesktopApp*.
             width: 800,
             height: 600,
             webPreferences: {
-            nodeIntegration: true
+            nodeIntegration: true,
+            contextIsolation: false
             }
         });