Steps to reproduce the issue

1. create new menu item type "Create Article"
2. in the Options tab, set "Specific category" option to Yes and choose some category in the field below
3. go to the frontend logged as superuser and open this menu item

Expected result

no error

Actual result

TypeError: htmlspecialchars(): Argument #1 ($string) must be of type string, array given
/administrator/components/com_categories/layouts/joomla/form/field/categoryedit.php:103

System information (as much as possible)

Joomla 4.2.8
PHP 8.1.14
Helix Ultimate Framework, tested also on Casiopea template

Additional comments

it has something to do with the template file com_content/form/edit.php
when I remove this line, the error not appear:

but then, of course, the form than doesn't work properly.