[nautilus] (5 commits) Non-fast-forward update to branch wip/ernestask/gtk4

[Ernestas Kulik <ernestask src gnome org>]

The branch 'wip/ernestask/gtk4' was changed in a way that was not a fast-forward update.
NOTE: This may cause problems for people pulling from the branch. For more information,
please see:

 https://wiki.gnome.org/Git/Help/NonFastForward

Commits removed from the branch:

  d70d8e9... canvas: Use custom event objects for event synthesis
  d053067... window-slot: Stop using flags parameter for history navigat

Commits added to the branch:

  e491169... file: Also add emblems on custom icons (*)
  5d5ed14... file: Streamline referencing when applying emblems (*)
  2be81ff... canvas: Use custom event objects for event synthesis
  107239c... canvas-container: Fix signal parameter types
  a30149d... window-slot: Stop using flags parameter for history navigat

(*) This commit already existed in another branch; no separate mail sent