📈(frontend) check if analytic is enabled

Few frontend features rely on Posthog. Posthog is not activated in
dev environment. Offer a hook that encapsulates this logic, and
return a boolean flag.

src/frontend/src/features/analytics/hooks/useIsAnalyticsEnabled.ts

@@ -0,0 +1,6 @@
+import { useConfig } from '@/api/useConfig.ts'
+
+export const useIsAnalyticsEnabled = () => {
+  const { data } = useConfig()
+  return !!data?.analytics?.id
+}