Prefilter popup is hiding when click on outside popup
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
showing defalut tab as Grade tab in prefilter
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Merge pull request #2261 from mitraj/release-6.6.3.a1

Prefilter popup is hiding when click on outside popup.