feat: switched search to point at rreadding-glasses

fix: opentelemetry activities were being grouped when they shouldn't

fix: startup error when opentelemetry was enabled because packages re…

…quired NET7....

fix: lazy load when getting author series

fix: ensure book file count is returned in output

fix: improved performance of Book endpoint when getting all

fix: book api fallback not happening

fix: bookshelf paging / fetching being borked

fix: bookshelf not triggering api calls to backend

fix: fixed bookshelf being crazy when you had many authors.. oops