Task #96019
Updated by Oliver Hader over 2 years ago
https://github.com/TYPO3/typo3/blob/v11.5.3/typo3/sysext/backend/Classes/Controller/Wizard/EditController.php#L61-L66
How to reproduce:
* edit a backend user record (@be_users@)
* in the list of assigned backend groups (@be_groups@) select and edit an item
* the "close" button in the opened popup is subject of this issue