[PATCH v2 0/1] MR3783: user32/tests: Register test_hvredraw class in temp desktop.

[Esme Povirk (＠madewokherd)]

Windows v1709 has a bug that breaks GetClassLong on a
different desktop from where the class was registered.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55539

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  v2: user32/tests: Register test_hvredraw class in temp desktop.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/3783