fix(adev): fix "open in ..." dropdown style

Author: ali-toghiani

adev/src/app/editor/code-editor/code-editor.component.html

@@ -22,7 +22,7 @@
 
     <!-- launcher dropdown window -->
     <ng-template #launcherMenu>
-      <div class="adev-editor-splitview-button" cdkMenu>
+      <div class="adev-editor-splitview-button adev-editor-dropdown" cdkMenu>
         <button cdkMenuItem (click)="openCurrentSolutionInFirebaseStudio()">
           <span>Open in Firebase Studio </span>
           <img