[Bug] MsgBox display bad, and Combobox can't Edit in Avalonia V11.3.7

[truongsontech]

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Description of the issue

Hi author, I am new to avalonia, I really like your UI, recently I tried it and found 2 problems that I want you to support to review and edit as described in the photo. Thank you.

Package Version

6.0.3

Environment

Visual studio 2022 V17.14; Windows 11

Expected Behavior

Reproduction

Additional Information

No response

[truongsontech]

It could be the Children's Tree difference