* feat: add user locale preference to user_preferences table
- Introduced a new column 'locale' in the user_preferences table to store per-user UI language preferences.
- Added a CHECK constraint to ensure only supported locales ('sv', 'en') are allowed.
- Triggered a schema reload notification for the changes.
chore: declare CSS module support in TypeScript
- Added a declaration for CSS modules in globals.d.ts to enable TypeScript support for importing CSS files.
* feat: add Swish as an invoice payment method in company settings
* 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