fix(core): ai plan should show even user not signed in (#6845)

packages/frontend/core/src/components/affine/setting-modal/general-setting/plans/ai/ai-plan.tsx

@@ -26,8 +26,7 @@ export const AIPlan = () => {
   }, [subscriptionService]);
 
   // yearly subscription should always be available
-  if (!price?.yearlyAmount || subscription === null) {
-    // TODO: loading UI
+  if (!price?.yearlyAmount) {
     return null;
   }