Workspaces 4 members invites (#8245)

## Summary

  Add team workspace member management and invite system.

## Changes

- Add members panel with role management (owner/admin/member) and member
removal
- Add invite system with email invites, pending invite display, and
revoke functionality
   - Add invite URL loading for accepting invites
  - Add subscription panel updates for member management
  - Add i18n translations for member and invite features

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-8245-Workspaces-4-members-invites-2f06d73d36508176b2caf852a1505c4a)
by [Unito](https://www.unito.io)

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Co-authored-by: GitHub Action <action@github.com>

src/platform/cloud/subscription/utils/subscriptionCheckoutUtil.ts

@@ -35,8 +35,8 @@ export async function performSubscriptionCheckout(
 ): Promise<void> {
   if (!isCloud) return
 
-  const { getAuthHeader } = useFirebaseAuthStore()
-  const authHeader = await getAuthHeader()
+  const { getFirebaseAuthHeader } = useFirebaseAuthStore()
+  const authHeader = await getFirebaseAuthHeader()
 
   if (!authHeader) {
     throw new FirebaseAuthStoreError(t('toastMessages.userNotAuthenticated'))