Bug 30745: Use query builder and search_compat in label-item-search

Bug 30745: Use query builder and search_compat in label-item-search

Test plan:
  - apply this patch,
  - make some searches in labels/label-item-search.pl using
    the 3 form input (index, after date, before date),
  - check it works like before

Signed-off-by: Andrew Fuerste-Henry <andrew@bywatersolutions.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
https://bugs.koha-community.org/show_bug.cgi?id=30845
Signed-off-by: Andrew Fuerste Henry <andrew@bywatersolutions.com>
Signed-off-by: David Cook <dcook@prosentient.com.au>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>