searchview: Align the search results top

With the bugfix in libgd 9117650bda, the search results stopped aligning
at the top. With the artists results not having a second line of text,
this looks off.
Revert to old behaviour by forcing the alignment to be top.
3 jobs for wip/mschraal/fix-meson-libgd-gtk-hacks in 7 minutes and 21 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Check
passed #9968
pep8

00:02:33

passed #9967
pyflakes

00:02:35

 
  Build
passed #9969
build

00:04:46