[gnome-boxes] (5 commits) Non-fast-forward update to branch wip/props-ui-files

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

The branch 'wip/props-ui-files' 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:

  13ca20b... Add PropertiesSnapshots widget
  97d330d... wizard: show_customization_page() now async
  6d9e8fe... i-props-provider: get_properties() return page
  bde187f... Drop now redundant SnapshotProperty
  275c03b... i-props-provider: Drop now redundant Property hierarchy

Commits added to the branch:

  4d30bd9... Add PropertiesSnapshots widget
  f9aff82... wizard: show_customization_page() now async
  89e60a4... i-props-provider: get_properties() return page
  6dc3b61... Drop now redundant SnapshotProperty
  999257b... i-props-provider: Drop now redundant Property hierarchy