UMediaCapture::ShouldCaptureRHIResource

Should we call [OnFrameCaptured_RenderingThread()](API\Plugins\MediaIOCore\UMediaCapture\OnFrameCaptured_RenderingThread) with a RHI resource -or- readback the memory to CPU ram and call [OnFrameCaptured_RenderingThread()](API\Plugins\MediaIOCore\UMediaCapture\OnFrameCaptured_RenderingThread).