fix(dashboards): server loading fallback and muted gate text

Author: TheodoreSpeaks

apps/sim/app/workspace/[workspaceId]/dashboards/loading.tsx

@@ -1,5 +1,3 @@
-'use client'
-
 import { DashboardLoading } from '@/components/dashboards/dashboard-loading'
 import { Resource } from '@/app/workspace/[workspaceId]/components/resource/resource'
 

apps/sim/components/dashboards/dashboard-feature-gate.tsx

@@ -12,7 +12,7 @@ export function DashboardFeatureGate({ children }: DashboardFeatureGateProps) {
   return enabled ? (
     children
   ) : (
-    <div role='alert' className='p-6 text-[var(--text-secondary)]'>
+    <div role='alert' className='p-6 text-[var(--text-muted)]'>
       Dashboards are not enabled
     </div>
   )