applications: Add a 'run in background' switch

This is backed by the 'background' permission that
the flatpak portal uses. It would be slightly nicer
if we had a separate 'unset' state. For now, we just
show 'unset' as 'on'.
11 jobs for background-permission in 3 minutes and 28 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #518327
build

00:01:44

 
  Test
passed #518329
asan

00:01:44

passed #518328
test

00:01:10

 
  Manual
manual #518334
allowed to fail manual
armv8
manual #518330
allowed to fail manual
flatpak
manual #518333
allowed to fail manual
msan
manual #518335
allowed to fail manual
ppc64le
manual #518331
allowed to fail manual
tsan
manual #518332
allowed to fail manual
ubsan
 
  Review
manual #518336
allowed to fail manual
review
manual #518337
allowed to fail manual
stop_review