* add user setting for preferred date format
* set date format value to local storage
* use user preferred date format to display dates
* use object destructuring
* fix tests and lint
* [GH-314] Persist and reapply users settings in mac app
Relates to: #314
* Inject settings blob at document start, push base64 conversion into TS, use proper quotes
* Remove whitespace
* Rename base64 to blob for consistency