fix(frontend): launch darkly initialisation (#10408)

## Changes 🏗️

Only initialise Launch Darkly if we have a user and the config is set. 

### Checklist 📋

### For code changes:
- [x] I have clearly listed my changes in the PR description
- [x] I have made a test plan
- [x] I have tested my changes according to the test plan:
  - [x] Once merged login into app and see if Launch Darkly initialises

### For configuration changes:

No

autogpt_platform/frontend/src/services/feature-flags/feature-flag-provider.tsx

@@ -3,32 +3,16 @@ import { ReactNode } from "react";
 import { useSupabase } from "@/lib/supabase/hooks/useSupabase";
 import { BehaveAs, getBehaveAs } from "@/lib/utils";
 
+const clientId = process.env.NEXT_PUBLIC_LAUNCHDARKLY_CLIENT_ID;
+const envEnabled = process.env.NEXT_PUBLIC_LAUNCHDARKLY_ENABLED === "true";
+
 export function LaunchDarklyProvider({ children }: { children: ReactNode }) {
-  const clientId = process.env.NEXT_PUBLIC_LAUNCHDARKLY_CLIENT_ID;
-
+  const { user } = useSupabase();
   const isCloud = getBehaveAs() === BehaveAs.CLOUD;
-
-  const enabled =
-    isCloud && process.env.NEXT_PUBLIC_LAUNCHDARKLY_ENABLED === "true";
-
-  const { user, isUserLoading } = useSupabase();
+  const enabled = isCloud && envEnabled && clientId && user;
 
   if (!enabled) return <>{children}</>;
 
-  if (!clientId) {
-    throw new Error("NEXT_PUBLIC_LAUNCHDARKLY_CLIENT_ID is not defined");
-  }
-
-  // Show loading state while user is being determined
-  if (isUserLoading) {
-    return (
-      <div className="flex min-h-screen items-center justify-center">
-        <div className="h-8 w-8 animate-spin rounded-full border-4 border-primary border-t-transparent" />
-      </div>
-    );
-  }
-
-  // Create user context for LaunchDarkly
   const userContext = user
     ? {
         kind: "user",