feat(dashboards): wrap dashboard controls in flag if prebuilt dashboard (#104161)

See BROWSE-152 for details

We don't want to show controls like duplicate/favourite on prebuilt
dashboards until all modules are ported over. Perhaps we might EA this
separately too, but it's all under a flag so we have the flexibility.

Author: DominikB2014

static/app/views/dashboards/controls.tsx

@@ -87,6 +87,9 @@ function Controls({
   const {teams: userTeams} = useUserTeams();
   const api = useApi();
   const navigate = useNavigate();
+  const hasPrebuiltControlsFeature = organization.features.includes(
+    'dashboards-prebuilt-controls'
+  );
 
   const {duplicatePrebuiltDashboard, isLoading: isLoadingDuplicatePrebuiltDashboard} =
     useDuplicatePrebuiltDashboard({
@@ -97,6 +100,10 @@ function Controls({
 
   const isPrebuiltDashboard = defined(dashboard.prebuiltId);
 
+  if (isPrebuiltDashboard && !hasPrebuiltControlsFeature) {
+    return null;
+  }
+
   if ([DashboardState.EDIT, DashboardState.PENDING_DELETE].includes(dashboardState)) {
     return (
       <StyledButtonBar key="edit-controls">