* Add discounted_sale_value_check to sales
* Add DiscountedSaleValueCheck pages and questions
* Add value check to the form
* Only run validate_discounted_ownership_value as a hard validation on and after 24/25
* Rebase fix
* Fix form spec
* Update discounted_ownership_value_invalid?
* update validation
* Update soft validation content
* PR comments
* typo
* lint
* Default discounted_sale_value_check on import
* Do not run discounted ownership validation if mortgageused is don't know
* Clear previuos postcode if import hits postcodes_not_matching error
* Remove child income validation for 22/23
* Remove invalid exchange date
* Clear income 1 if it's over allowed non london threshold
* feat: add 22/23 year validation
* feat: wip commit
* feat: update i18n
* feat: add one year gap exchange/completion validations
* tests: add tests for new validations
* test: add setup validations tests
* test: update factory to pass saledate validation
* feat: update seeds
* feat: update tests to reflect sales logs shouldn't exist in new service before 2022
* feat: merge with main, improve date behaviour
* refactor: cleanup
* feat: update tests
* feat: enforce saledate not after 22/23 collection year end
* feat: check date is valid
* feat: add hodate/saledate hard validation to saledate as well
* feat: add HandoverDate check to saledate question
* test: update
* db: update
* test: update
* feat: wip po updates
* feat: add soft_validation to setup
* feat: fix bug by making sale date soft validation optional
* feat: add tests
* test: update
* refactor: linting
* feat: add 22/23 year validation
* feat: wip commit
* feat: update i18n
* feat: add one year gap exchange/completion validations
* tests: add tests for new validations
* test: add setup validations tests
* test: update factory to pass saledate validation
* feat: update seeds
* feat: update tests to reflect sales logs shouldn't exist in new service before 2022
* feat: merge with main, improve date behaviour
* refactor: cleanup
* feat: update tests
* feat: enforce saledate not after 22/23 collection year end