* Ensure official challenges are listed first
* Fix lint errors
* Move query creation into separate function
* switching branches
* Fixes and tests
* Formatting fixes
* Linting
* fix tests
* Fix joinedChallenge achievement being awarded when creating a challenge
* Modify test to check that achievement is not awarded for creating a challenge
* fix(challenges): creator should not join challenge automatically
* change behavior on the client side as well
* update tests and fix membercount
* update tests
* fix tests
* Removed challenge group duplication
* Removed duplication of joined challenge
* Moved helpers to challenge library
* Passed group to function
* Fixed group response