[BLD-247] Add propagation time in domain restrictions in project settings page (#8025)

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## PR-Codex overview
This PR updates the `bottomText` prop of the `SettingsCard` component in the `ProjectGeneralSettingsPage.tsx` file to include additional information about domain restrictions for web applications.

### Detailed summary
- Changed `bottomText` from a simple string to a JSX fragment.
- Updated text to clarify that changes to domain restrictions may take up to 5 minutes to take effect.

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## Summary by CodeRabbit

* **Documentation**
  * Updated the Allowed Domains setting description to clarify that changes to domain restrictions may take up to 5 minutes to take effect.
  * Improves in-app guidance and sets clearer expectations for propagation time.
  * No functional behavior changes; purely a copy update to the settings UI.
  * Aims to reduce confusion and support users during domain configuration and troubleshooting.

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Author: MananTank

apps/dashboard/src/app/(app)/team/[team_slug]/[project_slug]/(sidebar)/settings/ProjectGeneralSettingsPage.tsx

@@ -539,7 +539,12 @@ function AllowedDomainsSetting(props: {
 
   return (
     <SettingsCard
-      bottomText="This is only applicable for web applications"
+      bottomText={
+        <>
+          This is only applicable for web applications. Changes to domain
+          restrictions may take up to 5 minutes to take effect
+        </>
+      }
       errorText={form.getFieldState("domains", form.formState).error?.message}
       header={{
         description: