filters/image.rs: Use the fragment directly in the case where it is needed

7 jobs for master in 23 minutes and 6 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
passed #157391
fedora test

00:05:37

 
  Lint
manual #157393
allowed to fail manual
clippy
passed #157392
rustfmt

00:01:02

passed #157394
tarball

00:08:55

 
  Cross Distro
passed #157397
debian_i386:testing

00:06:01

passed #157396
debian:testing

00:05:23

passed #157395
fedora:rawhide

00:08:32