Undefined index: overlib in T4 System Plugin

Work environment:
CMS Joomla 4.0.0-rc2
Plugin: t4-system-plugin_1.1.7
Template (default): t4_blank_template_bs5_1.0.0

Bug location:
File: \plugins\system\t4\themes\base\html\layouts\joomla\content\icons\edit.php
Line 17: $overlib = $displayData['overlib'];

Description:
Notice: Undefined index: overlib in ...\plugins\system\t4\themes\base\html\layouts\joomla\content\icons\edit.php on line 17

Regards.

I've forwarded this issue to our T4 dev team.

Thanks for your report!