[PATCH v2 0/2] MR10451: comctl32/treeview: Implemented TVN_ITEMCHANGING

[Piotr Pawłowski (＠DEATH)]

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=59456

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55707

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  v2: comctl32/treeview: Implemented TVN_ITEMCHANGING & TVN_ITEMCHANGED
      comctl32/tests: Enabled test_select() for comctl32 v6, made test for TVN_ITEMCHANGING & TVN_ITEMCHANGED
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/10451