[gnome-games] Non-fast-forward update to branch wip/exalm/controller-preferences

[Alexander Mikhaylenko <alexm src gnome org>]

The branch 'wip/exalm/controller-preferences' 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:

  071ee36... ui: Rename hbox1 to content_box in PreferencesWindow
  b529209... ui: Add PreferencesSubpage
  1cbdbfa... ui: Add 'subpage' property to PreferencesPage
  7b8e672... ui: Add subpage support to PreferencesWindow
  1462f05... ui: Convert GamepadConfigurer into PreferencesSubpageGamepa
  963af7b... ui: Convert KeyboardConfigurer to PreferencesSubpageKeyboar
  909efcb... ui: Remove immersive mode from preferences
  2f1f4b7... ui: Remove visible_page_changed() from PreferencesPage
  a78fbef... ui: Drop custom headerbars from preferences pages

Commits added to the branch: