Fixes #20872 - scoped_search should be >= 4.1.2

As to introduce the fix for relations between classes with polymorphism
(https://github.com/wvanbergen/scoped_search/commit/e629a484cc57c65cd394e47006eb30b24e4382bc)

(cherry picked from commit bd9d07c15223180fa18d28f5dc13654bfc591ff5)