Changing PixWinPlugin to use the new capture control mechanisms, including disabling the UI overlay.
PixWinPlugin will now trigger a full frame, similar to how the RenderDoc plugin does, to ensure we get a full frame on the requested viewport instead of getting a frame on the next viewport to render.
#jira none
#rb robert.srinivasiah, jamie.hayes
#preflight 636d2bd11a66e7f7317a0073
[CL 23104389 by christopher waters in ue5-main branch]
Cleaning up PixWinPlugin to use the correct header guards, correct types, and correct windows version check.
#jira none
#rb jeremy.moore
#preflight 61df36bea63213484e0a4e38
#ROBOMERGE-AUTHOR: christopher.waters
#ROBOMERGE-SOURCE: CL 18589786 in //UE5/Release-5.0/... via CL 18589808 via CL 18589826
#ROBOMERGE-BOT: STARSHIP (Release-Engine-Test -> Main) (v899-18417669)
[CL 18589846 by christopher waters in ue5-main branch]
This represents UE4/Main @17774255, Release-5.0 @17791557 and Dev-PerfTest @17789485
[CL 17794212 by aurel cordonnier in ue5-release-engine-test branch]