Pressing Del on the Editions tab opened a delete prompt operating on the
currently selected book file, which is not visible from that tab. On the
File tab, where the book files are listed, Del did nothing even though the
tab advertised a "delete book file" hint.
Gate the delete on the File tab instead and drop the now inaccurate hint
from the Editions tab clue set.
A Readarr edition carries no file id, unlike a Lidarr track, so the book
files live in their own table and the delete cannot be driven from the
editions table.
Dark-Alex-17
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