[PATCH v9 0/3] MR8595: comctl32: Separate v5 and v6.

[Zhiyi Zhang (＠zhiyi)]

This MR separates comctl32 into v5 and v6. A full branch is at https://gitlab.winehq.org/zhiyi/wine/-/commits/comctl32-separation. The remaining commits are to remove items that shouldn't be in v5. comctl32-version_6 in wine-staging can be dropped after this MR.

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  v9: comctl32/tests: Add version tests.
      user32: Load version for comctl32 v6 window classes.
      comctl32/tests: Fix a window leak.
 
https://gitlab.winehq.org/wine/wine/-/merge_requests/8595