Usage Information
when Selected on Item,It show at position of Assist.Lable
Description

And code here
Reproduction Steps
Add md:ComboBoxAssist.Label, and Select one Item
Expected Behavior
nothing
Actual Behavior
nothing
Regression?
https://github.com/ppcbacba/AvaloniaMaterialComboBoxSample.git
Known Workarounds
No response
Anything else?
No response
Could you help with a pull-request?
Yes
Is there an existing issue for this?