[PATCH 0/6] MR10677: amstream: Test and fix media type enum on ddraw stream.

[Brendan McGrath (＠redmcg)]

This MR adds new tests and subsequent fixes for the type returned by `IEnumMediaTypes::Next` on the `IEnumMediaTypes` retrieved from the `IPin::EnumMediaTypes` function on the Direct Draw media stream.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/10677