Re: [PATCH v2 0/3] MR9446: dmsynth: Fix instrument selection

[Anton Baskanov (＠baskanov)]

v2:
- Moved the fallback logic to `find_region`.
- Use `F_INSTRUMENT_DRUMS` instead of `0x80000000`.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/9446#note_122489