[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:

  9524157... item-manager: Add photos_item_manager_(un)hide_item
  ff7eebe... item-manager: Assert that new items don't have hidden URNs
  c25da75... item-manager: Remove hidden items that have been deleted ou
  f44e834... Use photos_item_manager_(un)hide_item to handle deletes
  966d487... preview-nav-buttons: Remove redundant header
  3b92730... base-manager: Make get_object_by_id a virtual method
  96aa42f... base-manager: Make get_active_object a virtual method
  59b6755... base-manager: Make get_objects a virtual method
  71ae6fb... base-manager: Add photos_base_manager_new
  31f01f2... item-manager: Add an array of child BaseManagers for each W
  c7dd197... Split ItemManager to have a separate child manager for each