[gtk] (7 commits) Created branch wip/carlosg/input-fixes

[Carlos Garnacho <carlosg src gnome org>]

The branch 'wip/carlosg/input-fixes' was created.

Summary of new commits:

  ccfffb2... demos: Initialize brush size in "paint" demo
  777fd92... gtkpadcontroller: Avoid filling action list with empty elem
  2a877a9... gtkwindowgroup: Take default group into account when listin
  d104efe... gtkwindow: Correct device check
  67e1acd... gtkpopover: Roll back properly if presenting the popup fail
  41b7f03... gdk/wayland: Ensure to clean up stale touchpoint data on su
  9ed5795... gtktreeview: Ensure to transiently prelight on touch input