Search Pre-Filters: Issue rectified with subjects and grades check box selection.
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Merge pull request #2329 from VinRudramurthy/release-6.6.3.a1

Search Pre-Filters: Issue rectified with subjects and grades check box selection.