Merge pull request #2411 from sravanthi1/release-6.6.3.a1

1.2 QA [My Collections] - In edit info of you tube resource the navigation arrows to the thumbnail image is displayed even though there are no more images to generate Fixed and Youtube image issue resolved.
Standards highlighting issue resolved
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Merge pull request #2412 from ssushma/release-6.6.3.a1

Standards highlighting issue resolved in logged out scenario
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1