API Updates (#24105)

* fix missing /api/v4 prefix for commands autocomplete suggestion

* document /api/v4/ldap/users/{user_id}/group_sync_memberships

* document /api/v4/groups/{group_id}/restore

* fix /files/{file_id}/public actually at root

* document /api/v4/users/invalid_emails

api/v4/source/commands.yaml

@@ -169,7 +169,7 @@
 
             // ListAutocompleteCommands
             listCommands, resp := Client.ListAutocompleteCommands(<TEAMID>)
-  '/teams/{team_id}/commands/autocomplete_suggestions':
+  '/api/v4/teams/{team_id}/commands/autocomplete_suggestions':
     get:
       tags:
         - commands