defect
(User-visible)
Equivalent values are summarized and counted using the filter in table headers. These are also grouped into "Yes" and "No" for columns of the Boolean type.
In the administration of authorizations, there is a table of all users in the User rights view. The "Administrator" column can also be displayed here. This can be sorted, but not filtered.
Img: Demo -> Administration -> User administration -> User rights
It should also be possible to filter the administrator column.