* fix: enhance validation for moms_period and conditionally set vat_number and moms_period based on vat_registered
* Enhance preprocessing for first year fields, fiscal year end month, and accounting method in schema validation
* fix: simplify schema validation by removing unnecessary preprocessors
* fix: prevent setting invalid values in select components across multiple forms
* fix: improve layout responsiveness and conditional rendering in onboarding steps
Mattsson
8976cd812d