* feat: dispatch resetChallenge action
* fix: copy challengeFiles instead of in-place sort
* fix: handle null updateFile payloads in redux
* refactor: reorganise region initialization
* refactor: pull code into editorDidMount
Then we can rely on the presence of the editor and monaco and don't have
litter the code with null checks.
* refactor: use better name for editable region init
* refactor: remove unused decoration
* refactor: rename forbidden region init functions
* fix: keep all challengeFiles when resetting
* refactor: remove unused decoration class
* fix: reinitialize editor on reset
* fix: stop adding multiple scroll listeners
Since the challengeFile update on each keystroke extra (unnecessary)
adding of listeners slowed the editor to a crawl.
* fix: only scroll to editor on mount
Rather than on any edit.
* refactor: remove logs and comments
* fix: rename toSortedArray and fix broken test
* fix: check for null not falsy in updateFile
* fix: only update project features when project
* fix: only reset if editor contents have changed
* feat: focus on editor after reset
Oliver Eyton-Williams