* db migration, new sales log fields
* Add new staircasing transaction section
* Update tests
* Lint
* Add tests
* Use log methods
* Lint
* Update test
* Remove compact
* Change section display condition
* CLDC-3760: Sales - firststair and numstair staircasing questions validations (#2793)
* Add validation to new questions firststair and numstair
* Remove page headers on single question page
* Remove page
* More useful page header
* Show don't know option from 2025 onwards
* Add page header to monthly rent only for the version with two questions on the page
* Remove page header staircase initial date only page
* Update displayed answer options
* Fix lint
* Updates after merge
* Update test
* Update tests