As we don't have any mapping from YUV formats + modifiers to an equivalent emulated format (e.g. NV12 + modifier -> R8+modifier/RG88+modifier), do no allow these formats to be used with the indirect DMABuf uploader. Fixes #2942 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/5270>