b/15940077 Triggering hashchange event after tree item added, to show new TaskGroup expanded
Merge remote-tracking branch 'origin/develop' into feature/open-created-task-group
Move TaskGroup auto-expansion code into Workflow controller

* Avoid unnecessary `hashchange` triggers
* Only trigger expansion behavior for TaskGroup
Merge pull request #1559 from reciprocity/feature/open-created-task-group

Show newly created TaskGroups expanded