Merge pull request #2312 from anilgooru/release-6.6.3.a1

Complier issue fixed.
6.5.c Parallel [Library] Library only displays 15 Topics per Unit - Issue Resolved + on Scroll event widget update issue resolved
Standards Div Hide issue resolved - On Search Filters Improvements.
Merge pull request #2313 from ssushma/release-6.6.3.a1

6.5.c Parallel [Library] Library only displays 15 Topics per Unit - Issu...
"Toggle buttons added"
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge pull request #2314 from suryanarayanakb/release-6.6.3.a1

Toggle buttons added
"handling the view and hide reports"
Merge remote-tracking branch 'upstream/release-6.6.3.a1' into release-6.6.3.a1
Merge pull request #2315 from suryanarayanakb/release-6.6.3.a1

"handing the view and hide reports"