Enable us to change which reading list item a digitisation is linked to

Currently, once a digitisation is linked to a reading list item, it cannot be unlinked/relinked to a different reading list item.

This is highly frustrating.

To would very useful if a digitisation could be unlinked/relinked to another reading list item, even if this was limited to only being able to relink to list items that had the same metadata details and time period (so the settings 'match')