[Core] Adds support for disabling the search box in a select2 element.
[Core] Adds support for disabling the search box in a select2 element.

(refs #5791)

kilip/YAWIK,cross-solution/YAWIK,cross-solution/YAWIK,cross-solution/YAWIK,cross-solution/YAWIK,kilip/YAWIK,kilip/YAWIK,kilip/YAWIK