[CLC-2098] Restore My Groups widget, tweaks to both widgets to deal with non-official enrollment scenarios, link canvas instructor roles to the classes feed if they officially enrolled in course
Merge pull request #1317 from yuhunglin/CLC-2098

[CLC-2098] Restore My Groups widget, tweaks to both widgets to deal with non-official enrollment scenarios, link canvas instructor roles to the classes feed if they officially enrolled in course