[gnome-photos] (11 commits) Created branch wip/rishi/item-manager

[Debarshi Ray <debarshir src gnome org>]

The branch 'wip/rishi/item-manager' was created.

Summary of new commits:

  854f0f2... item-manager: Add photos_item_manager_(un)hide_item
  1f84034... item-manager: Assert that new items don't have hidden URNs
  8ffac6d... item-manager: Remove hidden items that have been deleted ou
  6613f4a... Use photos_item_manager_(un)hide_item to handle deletes
  e05f5de... preview-nav-buttons: Remove redundant header
  cb15b02... base-manager: Make get_object_by_id a virtual method
  c2ab00e... base-manager: Make get_active_object a virtual method
  36ca1d3... base-manager: Make get_objects a virtual method
  a152ba8... base-manager: Add photos_base_manager_new
  d7b2a35... item-manager: Add an array of child BaseManagers for each W
  4277fee... WIP