[gtk] (30 commits) ...Merge branch 'wip/baedert/for-master' into 'master'

[Timm Bäder <baedert src gnome org>]

Summary of changes:

  1b278b0... colorchooserwidget: Get rid of a gtk_widget_destroy() call (*)
  73faa9c... popovermenu: Avoid a gtk_widget_destroy() call (*)
  ceabe70... emojichooser: Avoid using gtk_widget_destroy() (*)
  103b6a9... popovermenubar: Avoid calling gtk_widget_destroy() (*)
  f4202c5... headerbar: Avoid calling gtk_widget_destroy() (*)
  e1ca83d... pathbar: Avoid calling gtk_widget_destroy() (*)
  995277f... placessidebar: Avoid calling gtk_widget_destroy() (*)
  60d2813... placessidebar: Convert popover menu to proper GtkPopoverMen (*)
  df3b884... modelbutton: Fix wrong function name in doc comment (*)
  dbd1180... stackswitcher: Avoid calling gtk_widget_destroy() (*)
  68b4c06... shortcutlabel: Remove unnecessary includes (*)
  ff4a33b... headerbar: Remove size request on icon button (*)
  549a3a8... headerbar: Replace gtk_widget_destroy() call (*)
  dae06d8... inspector: Remove double borders in recorder (*)
  1baae1f... colorchooser: Fix typo in checkerboard color (*)
  b1d4d24... pathbar: Inherit from GtkWidget (*)
  596be28... menusectionbox: Avoid a gtk_widget_destroy() call (*)
  838fc4f... range: Clean up compute_slider_position() (*)
  b81cd8c... range: Inline function into only caller (*)
  a1fc94f... range: Remove an outdated comment (*)
  e552adf... widget: Remove surface member (*)
  6b970c6... widget: Remove set_csd_input_shape (*)
  73c212d... popover: Stop using gtk_widget_input_shape_combine_region() (*)
  6056ca9... window: Carry an extra input region (*)
  0bca4a2... inspect-button: Use new gtk_window_set_extra_input_region (*)
  d5327a6... widget: Remove gtk_widget_input_shape_combine_region() (*)
  54bf739... scrolledwindow: Remove useless local variables (*)
  6ff057f... scrolledwindow: Remove an unnecessary cast (*)
  02e295e... statusbar: Remove _get_message_area() from public API (*)
  64ff12d... Merge branch 'wip/baedert/for-master' into 'master'

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