Add feature flag for team account deletion

Updated the team account settings page to support a new feature flag for enabling team deletion. Only the primary user can delete the account if this feature is enabled. Also, corrected the required error message in feature-flags.config.ts file for more clarity.

packages/features/team-accounts/src/components/settings/team-account-danger-zone.tsx

@@ -39,12 +39,17 @@ import { leaveTeamAccountAction } from '../../server/actions/leave-team-account-
 export function TeamAccountDangerZone({
   account,
   primaryOwnerUserId,
+  features,
 }: React.PropsWithChildren<{
   account: {
     name: string;
     id: string;
   };
 
+  features: {
+    enableTeamDeletion: boolean;
+  };
+
   primaryOwnerUserId: string;
 }>) {
   const { data: user } = useUser();
@@ -56,7 +61,7 @@ export function TeamAccountDangerZone({
   // Only the primary owner can delete the team account
   const userIsPrimaryOwner = user.id === primaryOwnerUserId;
 
-  if (userIsPrimaryOwner) {
+  if (userIsPrimaryOwner && features.enableTeamDeletion) {
     return <DeleteTeamContainer account={account} />;
   }