[gnome-boxes] (14 commits) Created branch wip/less-dialogs2

[Zeeshan Ali Khattak <zeeshanak src gnome org>]

The branch 'wip/less-dialogs2' was created.

Summary of new commits:

  dd5e55a... properties: Correctly restore notebook page
  1656ddf... topbar: Remove props_toolbar property
  6b2e187... properties: Refactor PageWidget into its own class/module
  8d7518b... libvirt-machine-props: Use notifications for errors
  f16e733... properties-toolbar: Keep a ref to PropertiesWindow
  c424511... properties-window: Add revert_state()
  7fac9b9... properties-toolbar: Handle buttons' visibility
  bd3c476... Introducing TroubleshootLog widget
  2ff1404... properties-window: API to show troubleshooting log
  26b6326... properties-window: Add copy_troubleshooting_log_to_clipboar
  a4f583d... properties-toolbar: Content for troubleshooting log view
  cee25e2... libvirt-machine-props: Drop troubleshoot log dialog
  3a5fce5... properties-toolbar: Add click_back_button()
  dc27244... properties-window: Go back on Alt+Left key combo