chore: temporarily disable desktop ai workspace

config/feature_flags.yaml

@@ -175,10 +175,10 @@ desktop:
       description: Desktop archived task management
       ui_surface: settings_page
     remote_desktop:
-      enabled: true
+      enabled: false
       release_tier: stable
-      build_modes: [debug, profile, release]
-      description: Desktop WebRTC Remote Desktop view
+      build_modes: []
+      description: Desktop WebRTC Remote Desktop view temporarily disabled
       ui_surface: settings_page
     logs:
       enabled: true

test/runtime/ui_feature_manifest_desktop_surface_test.dart

@@ -27,6 +27,14 @@ void main() {
         desktop.sanitizeExecutionTarget(AssistantExecutionTarget.agent),
         AssistantExecutionTarget.gateway,
       );
+      expect(
+        desktop.availableSettingsTabs,
+        isNot(contains(SettingsTab.remoteDesktop)),
+      );
+      expect(
+        desktop.sanitizeSettingsTab(SettingsTab.remoteDesktop),
+        SettingsTab.gateway,
+      );
     });
   });
 }