Rows that just mounted join the menu's navigation list a render after the status effect ran: a row
focused that early was unknown to it, and the arrows did nothing from it (seen live after a keyboard
Retry). The retry test now arrows on from the row it lands on.
The loading / failed-load lines and their Retry sat inside role=menu, which may own its items only:
the three surfaces now open with `listInside` and the rows sit in a PopoverList. A keyboard Retry
unmounted the focused button and left focus on <body> with the menu open, the arrows dead: focus is
put back on the first row, else the field, else the new Retry. The channel tag editor said a failed
tag load as "no tags yet"; it reads the catalog query's state now. The playlist panel's name and the
tag editor's error state are held by tests.
Three hand-copied panels had drifted: Add to playlist said a failed load as 'no playlists yet'. ui/MembershipMenu now holds them: a loading line and an error with Retry instead of a blank or an empty list, the up/down arrows step from the name field into rows that arrived after the menu opened, and the panels opened from a menu carry their own accessible name. A write that landed flips its tick at once, so a second tap before the refetch undoes it instead of repeating it; a collection edit also refreshes a show's own page.
peter