[PATCH v3 0/3] MR485: riched20: Ensure that cursor is visible when selecting text.

[Santino Mazza (＠tati1454)]

This mr fixes https://bugs.winehq.org/show_bug.cgi?id=40444

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  v3: riched20/test: Add scrolling test for richole.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/485