[gtk+] (23 commits) Non-fast-forward update to branch wip/csoriano/bookmarks

[Carlos Soriano Sánchez <csoriano src gnome org>]

The branch 'wip/csoriano/bookmarks' 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:

  d564e51... gtkplacessidebar: new bookmark row only at first position
  5d4d79c... gtkplacessidebar: add API for show drop hints
  4286f2d... gtkplacessidebar: add new bookmark icon
  b7b3f61... gtkplacessidebar: make insensitive invalid drop targets
  1e3cb00... gtkfilechooserwidget: show drop hints on gtkplacessidebar
  0cd5a9c... test: add GtkListBox with GListModel test
  3f66a71... gtkplacesidebar: use GtkListBox

Commits added to the branch:

  8c7e1f0... Updated POTFILES.skip (*)
  c28275f... GtkPopover: Don't ref NULL widgets (*)
  ea3190d... gtk3-widget-factory: Simplify ui file (*)
  ff558d3... Drop PANGO_ENABLE_BACKEND (*)
  5cce205... HC: implement overlay scrollbar theming (*)
  1f51c50... Fix precondition in gtk_popover_get_default_widget (*)
  79c863c... Use GDK_KEY_KP_Decimal instead of GDK_KP_Decimal (*)
  4c06d08... W32: Add a mapping for "left_ptr_watch" cursor (*)
  c6df175... fontchooser: Use gtk-fontconfig-timestamp setting (*)
  487332c... settings: Wayland-only systems also use fontconfig (*)
  07f4c9c... GtkFontChooserWidget: Listen for fontconfig changes (*)
  fa6f956... inspector: allow object read-only properties in prop-editor (*)
  1726024... Fixed Russian translation (*)
  b1e5ad4... GtkWindow: Get the correct shadow width even before window  (*)
  6a51ac5... mir: handle generic input events (*)
  26b0333... GtkStackSwitcher: Don't emit notify::visible-child when set (*)
  8d230a1... gtkplacessidebar: new bookmark row only at first position
  020beba... gtkplacessidebar: add API for show drop hints
  4aa7d15... gtkplacessidebar: add new bookmark icon
  a7a673e... gtkplacessidebar: make insensitive invalid drop targets
  4eeefff... gtkfilechooserwidget: show drop hints on gtkplacessidebar
  a448026... test: add GtkListBox with GListModel test
  4601ed5... gtkplacesidebar: use GtkListBox

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