[PATCH v2 0/6] MR2769: imm32: Factor NotifyIME implementations.

[Rémi Bernon (＠rbernon)]

Doing first instead of https://gitlab.winehq.org/wine/wine/-/merge_requests/2637, as it should be more straightforward.

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  v2: winemac: Use the default IME implementation for NotifyIME.
      winex11: Move NotifyIME to the default IME implementation.
      win32u: Introduce new NtUserNotifyIMEStatus syscall.
      winex11: Simplify NotifyIME with NI_COMPOSITIONSTR / CPS_COMPLETE.
      winex11: Clear the composition string when input context is closed.
      winex11: Use a helper to change internal composition status.

https://gitlab.winehq.org/wine/wine/-/merge_requests/2769