Bug 18884: Advanced search on staff client, Availability limit not properly limiting

Bug 18884: Advanced search on staff client, Availability limit not properly limiting

Patch applies and functions as described.

Signed-off-by: Dilan Johnpullé <dilan@calyx.net.au>

Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
(cherry picked from commit 48be40d1bfaf13a70b6bf4918e885d9158e25f66)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit fa0608bc4c2e66628285f7434749df0a0e690e8b)
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>