* CLDC-3532: Make BU guidance back link depend on referrer
* Add tests for back_path
* Add guidance to homepage
* CLDC-3526: Update back_path
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Co-authored-by: Kat <katrina@kosiak.co.uk>
* CLDC-3264: Setup to allow using future form on staging for testing
* Update bulk upload year_spec tests
* Fix indentation
* Disable future form use on review apps for testing
* Move lettings startdate 14 day validation to enforce order
* Update tests
* Restore future form use on review apps
* Remove new_data_protection_confirmation? flag
* Update schema
- drop index
- add org and user data to dpc table
* Persist org and user data at import
* Do not show invalid emails
* Persist user and org data while signing agreement
* Add migration to persist org and user data on DPC
* Rebase fix
* fix typo
* Remove bulk_upload_lettings_logs flag
* Add spacing above actions in data sharing agreement
* Add banner
* Add model validation
* fix log component
* Fix factory
* Put validation behind feature flag
* start adapting to data protection confirmation
* Make tests more generic
* Add tests for display_organisation_attributes
* Use data_protection_confirmed? method
* Address code review
* rubocop
* Prevent access to bulk upload pages when DPC not signed
* Address PO review
* feat: add new guidance page with corresponding template links for sales and lettings log
* feat: add specification files and links for sales/lettings
* refactor: tidying
* feat: change pseudo csv to xlsx to reflect reality
* feat: add tests for guidance page routing and content
* feat: add tests for lettings too
* add start of bulk upload logs journey
* split upload controller into 2
* add year page to bulk upload journey
* bulk upload years now dynamic
* add placeholder for upload your file page
* handle bulk upload when not in crossover
* add bulk upload csv user journey
* bulk upload now persists and sends to S3
* swap ruby-filemagic for file command
* match csv or text file for validation
* in_crossover_period? now uses overlap of forms
- also moved from Form to FormHandler
* add production env var for CSV bucket
* stub kernel call methods
* remove duplicate env var
* hardcode env var for review apps
* move feature toggle to FeatureToggle
* crossover period checks now specific to the form
* fix typo in bulk upload journey
* add start of bulk upload logs journey
* split upload controller into 2
* add year page to bulk upload journey
* bulk upload years now dynamic
* bulk upload journey: add copy for prepare file
* add link to bulk upload template
* add placeholder for upload your file page
* handle bulk upload when not in crossover
* fix tests around bulk upload redirect
* fix typos in bulk upload jouney