qt: fix video mouse position report when the device pixel ratio is not 1.0
Mouse events are reported in Qt's coordinates and needs to be scaled. This is analogous to the way we are scaling the video size report event.
fix: #27674
Mouse events are reported in Qt's coordinates and needs to be scaled. This is analogous to the way we are scaling the video size report event.
fix: #27674
VideoLAN code repository instance