[gtk] (22 commits) ...Merge branch 'wip/otte/listmodels' into 'main'

[Matthias Clasen <matthiasc src gnome org>]

Summary of changes:

  46ce19d... multisorter: Actually emit ::items-changed when items chang (*)
  c26962c... multifilter: Actually emit ::items-changed when items chang (*)
  fd4562a... treelistmodel: Add ::item-type and ::n-items (*)
  cbc3d3f... stack: Add ::item-type and ::n-items to the pages list (*)
  bf8b26a... sortlistmodel: Add ::item-type and ::n-items (*)
  3fca865... slicelistmodel: Add ::item-type and ::n-items (*)
  0f829c4... singleselection: Add ::item-type and ::n-items (*)
  d7dae84... shortcutcontroller: Add ::item-type and ::n-items (*)
  e1845f5... selectionfiltermodel: Add ::item-type and ::n-items (*)
  67e3369... propertylookuplistmodel: Add ::item-type and ::n-items (*)
  301f1a5... noselection: Add ::item-type and ::n-items (*)
  7a36632... multisorter: Add ::item-type and ::n-items (*)
  0e42fa9... multiselection: Add ::item-type and ::n-items (*)
  02ee106... multifilter: Add ::item-type and ::n-items (*)
  b6ba8ec... maplistmodel: Add ::item-type and ::n-items (*)
  b91f60b... listlistmodel: Add ::item-type and ::n-items (*)
  f7b8184... fattenlistmodel: Add ::item-type and ::n-items (*)
  62096eb... filterlistmodel: Add ::item-type and ::n-items (*)
  f48c9b8... directorylist: Add ::item-type and ::n-items (*)
  11aef91... bookmarklist: Add ::item-type and ::n-items (*)
  efd9aac... assistant: Add ::item-type and ::n-items to the pages list (*)
  d88e935... Merge branch 'wip/otte/listmodels' into 'main'

(*) This commit already existed in another branch; no separate mail sent