Bug 9573: Lost items report - Move filters code to a separate js file

Bug 9573: Lost items report - Move filters code to a separate js file

For the next patches we will need to reuse what is already done on the
bibliographic record detail page. This patch moves the code to make it
reusable easily and avoid copy and paste.

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Séverine QUEUNE <severine.queune@bulac.fr>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>