Nightly CI for Vscode tests

Signed-off-by: Shveta Sachdeva <[email protected]>

.github/workflows/nightly-ci.yml

@@ -12,7 +12,7 @@ jobs:
 
     services:
       xvfb:
-        image: dorowu/ubuntu-desktop-lxde-vnc:latest
+        image: hardock14/docker-ubuntu-xvfb
         ports:
           - 5900:5900
         options: >-
@@ -33,11 +33,6 @@ jobs:
           echo "deb [signed-by=/usr/share/keyrings/microsoft.gpg] https://packages.microsoft.com/repos/vscode stable main" | sudo tee /etc/apt/sources.list.d/vscode.list
           sudo apt-get update
           sudo apt-get install -y code
-    - name: Start Xvfb
-      run: |
-            apt-get update && apt-get install -y xvfb
-            Xvfb :99 -screen 0 1920x1080x24 &
-            echo "DISPLAY=:99" >> $GITHUB_ENV
     - name: Verify Installation
       run: code --version
     - name: Verbose code