Merge pull request #2132 from sravanthi1/release-6.6.3.a1

1.0.d [Player] Extra space: between user name and ! sign changes updated
Folders: If there is only 1 folder/collection is available, made invisible reorder container.
Merge branch 'release-6.6.3.a1' of https://github.com/Gooru/Gooru-Web into release-6.6.3.a1
Merge pull request #2134 from VinRudramurthy/release-6.6.3.a1

Folders: If there is only 1 folder/collection is available, made invisible reorder container.
"Collaborator should be able to delete comments implemented"