Exiting the player after enough progress moved the played item to the front of Continue Watching left D-pad focus at its old position, now occupied by a completely different item.
TvBrowseRail and HubSection now remap the focused index to follow the focused item identity when a hub reorders underneath it, falling back to the same series replacement entry when a finished episode is swapped for the next one, and HubSection focus memory is remapped so re-entering the row lands on the same item.
close#1987
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