[PATCH 0/5] MR7615: cfgmgr32: Implement CM_Register_Notification and CM_Unregister_Notification.

[Rémi Bernon]

Supersedes https://gitlab.winehq.org/wine/wine/-/merge_requests/7559 with couple of additional tests and fixes.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/7615