re #10454: ItemView: ItemTabBar update
#re 10454: ItemView: ItemDetail update
re #10454: ItemView: NoteView class init
re #10454: ItemView: TabBar once concordance fix, back button
re #10454: ItemView: TabBar one / more concordances
re #10454: ItemView: refactor setIndex
re #10454: ItemView: SetConcordance refactor