Flip effect file have no Preview comment
Seems flip is the only one that does not have a line with:
`# Preview:`
https://gitlab.gnome.org/GNOME/gnome-video-effects/-/blob/master/effects/flip.effect.desktop.in
So maybe it could be added.
Seems flip is the only one that does not have a line with:
`# Preview:`
https://gitlab.gnome.org/GNOME/gnome-video-effects/-/blob/master/effects/flip.effect.desktop.in
So maybe it could be added.