Teams Updates 201908 (#11347)

* fix(teams): no hover bg change for noninteractive checkboxes

* feat(teams): send notification to managers on task claim
Also fix client unit test broken by prev commit

* feat(groups): don't penalize for tasks assigned since last activity

* fix(tests): actually fix client unit

* fix(teams): improve task styles

* fix(teams): let people other than leader see relevant approvals
Also more style fixes

* fix(approvals): better filtering and task headings for approval data

* fix(test): correct test expectations for new GET /approvals behavior

* fix(groups): style tweaks

* different border for group and normal tasks

* fix(teams): remove extra click for claiming

* fix(teams): leaders & managers can check off approval-required tasks

* fix(teams): don't notify user of own claim

* fix group task margin and z-index on hover

* fix(menu): sporadic error in top bar

* fix(teams): more approval header and footer adjustments

* fix(tests): adjust expectations for self-approval

* fix(teams): address PR comments

* refactor(timestamps): date user activity on authenticated requests

* refactor(timestamps): update local user instead of direct db update

website/server/models/userNotification.js

@@ -16,6 +16,7 @@ const NOTIFICATION_TYPES = [
   'GROUP_TASK_APPROVAL',
   'GROUP_TASK_APPROVED',
   'GROUP_TASK_ASSIGNED',
+  'GROUP_TASK_CLAIMED',
   'GROUP_TASK_NEEDS_WORK',
   'LOGIN_INCENTIVE',
   'GROUP_INVITE_ACCEPTED',