Fix #9394: Enable ctrl-a and friends for filmstrip

This reminded me that we need to somehow remember the currently loaded
image in darkroom mode and not rely on the selected image when going to
the next/previous one using space/backspace. This breaks when no image
is selected ...
(cherry picked from commit c449a4556a386c067c8329dc599fc706bcef999b)
Add new Lensfun geometry transformations introduced in 0.2.7. This fixes #9133.
(cherry picked from commit 06084c78ab3deb0b18c81843f4630ea6c37676e2)
lens.c: don't forget our ban on caps
(cherry picked from commit 67c5d100c85655904b42b23e5add765cf99e32c6)
Add storage name to error message

TODO: add better error messages that actually say what the problem is.
(cherry picked from commit 0cd8522074a52e0bd6261b82bdbfa8214c981449)
Polish translation update

Backport from 1.3+