[gtk] (46 commits) Non-fast-forward update to branch wip/baedert/for-master

[Timm Bäder <baedert src gnome org>]

The branch 'wip/baedert/for-master' 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:

  f6c7efa... label: Unref style_attrs list
  cde4ab0... gskpango: Make get_color a bit shorter
  019d944... label: Remove a debug leftover
  9fb9a78... popover: Remove an unused gtk_widget_get_allocation() call
  3fe3768... shorthandproperty: Use alloc a for data array
  2901c02... shorthandproperty: Return unset/initial/inherit as-is
  9c81716... shorthandproperty: Use alloca() when parsing properties
  e5da307... widget: Use early-out style in gtk_widget_realize()
  834b169... gdkdisplay-wayland: Fix a possibly uninitialized out value
  ca3ab37... textchild: Return an array from get_widgets
  b335a63... stylecontext: Remove _list_classes() from public API
  59dbed0... GdkEvent: Save history in a GArray
  a28c1c4... icontheme: Save dir_mtimes in a GArray, not a GList
  242f5be... cssselector: Avoid some GList allocations

Commits added to the branch:

  197fe80... testsuite: Fix swapped params in notify test (*)
  18114ba... headerbar: Remove title button separators (*)
  2791c52... headerbar: Remove decoration-layout-set property (*)
  02fa948... widget-factory: Improve the theme selector (*)
  79e1c66... gsk: Don't autoinclude backend-specific headers (*)
  95424d3... Merge branch 'matthiasc/for-master' into 'master' (*)
  8b64e29... menu: Ignore leaves due to grabs (*)
  4936e7f... Cosmetics (*)
  fdc4335... menu: Dismiss submenus during keynav (*)
  ac3e604... reftests: Use transform syntax (*)
  ba1633c... Merge branch 'matthiasc/for-master' into 'master' (*)
  b64f889... fixed: Fix an oversight in size requisition (*)
  99d7130... reftests: Remove background-image-multiple from xfails (*)
  ae7fd6f... Merge branch 'matthiasc/for-master' into 'master' (*)
  6378905... Move the idle sizer to the gtkroot.c (*)
  f8f391c... gtk-demo: Polish the clipboard demo (*)
  796bc9b... Merge branch 'clipboard-demo-fixes' into 'master' (*)
  f6c8af6... gtk-demo: Improve the dnd demo (*)
  c6fc7d8... gtk-demo: Minor cosmetic fixes (*)
  44e3185... gtk-demo: Remove the colorsel demo (*)
  f645c06... gtk-demo: Update copyright year (*)
  6f7bd37... widget-factory: Update copyright year (*)
  4aa8f6f... Add GtkWindowControls (*)
  5321f8f... headerbar: Use GtkWindowControls (*)
  b5d61eb... docs: Add GtkWindowControls to docs (*)
  7f1e82d... Merge branch 'wip/exalm/titlebuttons' into 'master' (*)
  56565b1... reftests: Fix the window-show-contents-on-map test (*)
  ccc3874... Merge branch 'clipboard-demo-fixes' into 'master' (*)
  fa2a8ac... reftests: Remove window-show-contents-on-map from xfails (*)
  a8e04ee... Merge branch 'matthiasc/for-master' into 'master' (*)
  2a47faf... label: Unref style_attrs list
  69f2302... gskpango: Make get_color a bit shorter
  838a68d... label: Remove a debug leftover
  c6fb8f1... popover: Remove an unused gtk_widget_get_allocation() call
  211209f... shorthandproperty: Use alloc a for data array
  841e83c... shorthandproperty: Return unset/initial/inherit as-is
  b3beafb... shorthandproperty: Use alloca() when parsing properties
  c1faaaa... widget: Use early-out style in gtk_widget_realize()
  909a25d... gdkdisplay-wayland: Fix a possibly uninitialized out value
  b8f3326... textchild: Return an array from get_widgets
  44b15e3... stylecontext: Remove _list_classes() from public API
  a67e176... GdkEvent: Save history in a GArray
  a8a9eca... icontheme: Save dir_mtimes in a GArray, not a GList
  1a39cc4... cssselector: Avoid some GList allocations
  43ef445... placesview: Remove frame
  a3e9ec5... widget: Only do a IS_ROOT type check if the parent is unset

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