[PATCH 0/1] MR6872: threadpoolwinrt: Associate work items with the appropriate TP_CALLBACK_ENVIRON.

[Vibhav Pant (＠vibhavp)]

Otherwise, all work items queued via `RunAsync` run on the global thread pool, not utilizing the thread pool initialized in `pool_init_once`.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/6872