Expensive re-compress is not pointless when the user opts in to reduce resolution. Change-Id: I1e04c6d4f0d95d41808ef885082239645401b2e2 Reviewed-on: https://gerrit.libreoffice.org/54384 Tested-by: Jenkins <ci@libreoffice.org> Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>