Filter box changes

This branch should have changes from filter box stories:
* [MOB-2074](https://wikia-inc.atlassian.net/browse/MOB-2074),
* [MOB-1868](https://wikia-inc.atlassian.net/browse/MOB-1868),
* [MOB-2088](https://wikia-inc.atlassian.net/browse/MOB-2088).

**DO NOT MERGE IT YET**