* Refactoring & Feature: edit/delete group and challenge tasks
- Remove showOption from tasks props
- Pass all needed data to task for understand in mapGetter function which controls we should show
- Improve current solution with edit and delete logic
* Fix: this in template
* Fix & Test: extend tests, fix can Edit/Delete functions
* Fix: allow user edit challenge tasks on dashboard
* Fix: test case after code change
* fix import path
* Fix:
- Extend canEdit and canDelete functions with admin role
- Clarify canEdit and canDelete conditions
- Extend test cases
Aleksey