Release 5.21 (Patreon)

Summary since last release

* Rebased to current wine 5.21 (737 patches are applied to wine vanilla)

Upstreamed (Either directly from staging or fixed with a similar patch).

* winegstreamer: Insert videoconvert into decoded-video streams.

* winegstreamer: Insert audioconvert into decoded audio streams.

* ntdll: Add stub for NtQuerySystemInformation(SystemExtendedProcessInformation).

* ntdll: Add stub for NtQuerySystemInformation(SystemModuleInformationEx).

* winegstreamer: Replace gst_pad_get_current_caps with gst_pad_query_caps.

* winegstreamer: Implement IMFMediaSource::CreatePresentationDescriptor.

* mfreadwrite: Abort ReadSample when unable to request any samples.

* winegstreamer: Implement IMFMediaSource::Start.

* winegstreamer: Implement IMFMediaStream::RequestSample.

* mfplat: Add I420 format information.

* mfmediaengine: Provide the partial topology to the media session.

* mfmediaengine: Issue MF_MEDIA_ENGINE_EVENT_CANPLAY upon MF_TOPOSTATUS_READY.

* mfmediaengine: Issue MF_MEDIA_ENGINE_EVENT_PLAYING upon MESessionStarted.

* mfmediaengine: Issue MF_MEDIA_ENGINE_EVENT_ENDED upon MESessionEnded.

* netutils: New DLL

* srvcli: New DLL

* mfmediaengine: Implement GetNativeVideoSize.

* winegstreamer:  Implement IMFMedisStream::GetMediaSource.

Added:

* None

Updated:

* ntdll-DOS_Attributes

* server-Stored_ACLs

* ntdll-Fix_Aligment

* bcrypt-ECDHSecretAgreement

* ntdll-Junction_Points

* widl-winrt-support

* dinput-remap-joystick

* mfplat-streaming-support

* msxml3-FreeThreadedXMLHTTP60

* ntdll-Syscall_Emulation