Gsoc Week 2

Week 2 was just about minor changes

• Change the delegate for the AlbumView
  • A better delegate FocusScope which is composed of Image and Kirigami’s BasicListItem for showing label.
• Changes type of previouslySelectedAction from string to Kirigami.Action.
  • No use of findAction function now
• Made sidebar actions look selected when the corresponding view is loaded
  • T6304
• Removes handleVisible property for the GlobalDrawer
  • T6292
  • Handle property is something that should be dependent on the default style used by the environment
• Implementation of ImageViewer has started
  • T6268