* Update question numbers for 2024
* Stub form in tests
* Stub form start_date for pages
* Add a default question number
* Fix a typo
* Update rebase test
* Refactor default question number
* Refactor person question numbers
* Display managing org for sales correctly in CYA
* Rebase fix
* More tweaks
* Pluralise buyer in household characteristics/setup
* Pluralise buyer in sales information sections
* Pluralise buyer in savings
* Pluralise other buyers, update privacy notice test
* Pluralise buyer in validations and translations
* Route to pages when joint purchase is not answered
* Fix apostrophes
* Update translations
* More updates
* alter copy conditionally for plurality depending on whether a purchase is a joint purchase
* correct linting oversight
* resolve rebase conflicts and alter annoying test to prevent future conflicts