Groupbox caption is not positionned correctly when loaded dynamically (i.e. inside a shadow component).

Simply resizing the browser fixes the problem.

Steps to Reproduce

Create a groupbox component with a caption, and display it dynamically (i.e. from inside a shadow component).

I have created a ZK fiddle that reproduces the problem : https://zkfiddle.org/sample/3t3nu8v/2-Groupbox-caption-not-positioned-correctly-on-dynamic-load

Current Result

The caption is not positioned correctly

Expected Result

The caption is positionned correctly

Debug Information

Seem to appear since version 9.0.1.2.

Tested with Firefox, Chrome and Edge.

Workaround