editor: merge branch 'fix-tree-sortable-constants'

!101
6 jobs for master in 7 minutes and 34 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed fedora30_dist #1379998

00:03:38

 
  Test
passed fedora_autotools_full #1380002

00:03:56

manual fedora_autotools_minimal #1380001
allowed to fail manual
passed fedora_meson_full #1380000

00:03:40

manual fedora_meson_minimal #1379999
allowed to fail manual
manual flatpak #1380003
flatpak allowed to fail manual