[Bug 56045] New: RichTextBox crashes the WPF application

[WineHQ Bugzilla]

https://bugs.winehq.org/show_bug.cgi?id=56045

Bug ID: 56045
           Summary: RichTextBox crashes the WPF application
           Product: Wine
           Version: 9.0-rc2
          Hardware: x86-64
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: -unknown
          Assignee: [e-mail]
          Reporter: [e-mail]
      Distribution: ---

Created attachment 75700
  --> https://bugs.winehq.org/attachment.cgi?id=75700
Terminal output and WPF app included

When adding RichTextBox component into the Window Form, the app won't run at
all. It appears that the app crashes if it tries to render the RichTextBox.
Without the RichTextBox, the app would work