owncloud/core

Enhancement: Indicate existing guest-user as a guest in the share tab

Previously, after sharing a file via email with a guest, enter the same email
in the tab view on another file, indicates the guest as a user.
With this fix, we will see guest instead of user.

https://github.com/owncloud/core/pull/38440
https://github.com/owncloud/core/issues/38422