[gtk] (20 commits) Non-fast-forward update to branch issue1084

[Mario Sanchez Prada <msanchez src gnome org>]

The branch 'issue1084' 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:

  9be0fc0... application: Complete the startup sequence before quitting 

Commits added to the branch:

  90ac5f3... Update Friulian translation (*)
  caaa3f8... cssvalue: Remove typechecks (*)
  a0d0b52... scrollbar: Remove get_wheel_delta (*)
  f71b2ee... gestures demo: widget property is not writable (*)
  c8aa5b8... gl renderer: Add helper for printing a render node tree (*)
  f13cccd... widget: Fix measure docs (*)
  5ff4ef1... widget: Directly notify gestures of grab (*)
  662e2b1... snapshot: Remove superfluous typedef (*)
  8f28922... searchbar: Add missing GDK_AVAILABLE_IN_ALL marker (*)
  5c339f2... Add basic searchbar set_key_capture_widget tests (*)
  0aad5da... widget: Remove controller sequence-state-changed signal con (*)
  3a86071... Add GtkEventControllerKey to the docs (*)
  3edd24f... widget: Properly remove event controllers in finalize (*)
  7928532... emoji: Hide recent section when empty (*)
  824bbf3... popover: Drop key_press_event handler (*)
  46da8a0... gtk-demo: Avoid key-press-event (*)
  287c900... Remove key-press-event from more docs (*)
  33b8f08... emoji completion: Stop using key-press-event (*)
  b94eb64... display: Don't prematurely clean the DESKTOP_STARTUP_ID var
  f3d4dcf... application: Complete startup notification sequence for rem

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