fix: locked documents with read access for users (#8950)

### What?

When read access is restricted on the `users` collection - restricted
users would not have access to other users complete user data object
only their IDs when accessing `user.value`.

### Why?

This is problematic when determining the lock status of a document from
a restricted users perspective as `user.id` would not exist - the user
data would not be an object in this case but instead a `string` or
`number` value for user ID

### How?

This PR properly handles both cases now and checks if the incoming user
data is an object or just a `string` / `number`.

packages/next/src/views/Dashboard/Default/index.tsx

@@ -17,7 +17,7 @@ const baseClass = 'dashboard'
 
 export type DashboardProps = {
   globalData: Array<{
-    data: { _isLocked: boolean; _lastEditedAt: string; _userEditing: ClientUser | null }
+    data: { _isLocked: boolean; _lastEditedAt: string; _userEditing: ClientUser | number | string }
     lockDuration?: number
     slug: string
   }>