missing language labels in category tree
The language labels used in category tree toolbar are missing (e.g. you see "undefined" as filter input placehoder.
this is caused by the wrong language file reference in typo3/sysext/backend/Classes/Form/Element/SelectTreeElement.php
the issue exists only in v9
[BUGFIX] Fix path to language file in SelectTreeElement
Fixes missing labels in the svg category tree toolbar.
Reviewed-by: Christian Kuhn <email@example.com>
Tested-by: Christian Kuhn <firstname.lastname@example.org>
Reviewed-by: Wouter Wolters <email@example.com>
Tested-by: Wouter Wolters <firstname.lastname@example.org>