Allows admins and org owners to change org member public status.
Before, this would return `Error 403: Cannot publicize another member`
despite the fact that the same user could make the same change through
the GUI.
Fixes#28372
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Co-authored-by: Tomáš Ženčák <zencak@ica.cz>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>