Bug 35287: Vue preparation - Extend KohaTable to consider searchable additional fields

Bug 35287: Vue preparation - Extend KohaTable to consider searchable additional fields

This follows the same pattern as in subscription serials searchable additional fields, i.e. if an additional field is searchable, it is added to the list table - with the corresponding search inputs and functionality

Signed-off-by: Edith Speller <edith.speller@ukhsa.gov.uk>
Signed-off-by: Michaela Sieber <michaela.sieber@kit.edu>
Signed-off-by: Victor Grousset/tuxayo <victor@tuxayo.net>
Signed-off-by: Paul Derscheid <paul.derscheid@lmscloud.de>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>