* Change email address
* Email confirmation
* Email change test
* Lint
* Schema reset
* Set test email sender
* Select specific user fixture
* Refactor/cleanup
* Remove unused email_confirmation_token
* Current user would never be true
* Fix translation test failures
* Add sync model
* Fresh fixtures for sync tests
* Sync tests overhaul
* Fix entry tests
* Complete remaining model test updates
* Update system tests
* Update demo data task
* Add system tests back to PR checks
* More simplifications, add empty family to fixtures for easier testing
* Rename account balance field for clarity
`original_balance` and `original_currency` may infer that these values are "original" to the account. In reality, they represent the "current" balance and currency on the account.
* Prepare fixture data for account sync testing
* Update to new field
* Fix conflicts
* Remove local schema change
