Fix/user feedback (#210)

* Add delete policies for provider consent tokens and provider OTC

* Add trade name support for companies in settings and documents

* Resolved currency selection issue

* Enhance invoice line display with foreign currency support and update delivery date schema to allow empty values

* Add currency display for journal entries and include currency metadata in transaction creation

* Add trade_name column to company_settings for external display

types/index.ts

@@ -136,6 +136,7 @@ export interface CompanySettings {
   // Entity info
   entity_type: EntityType
   company_name: string | null
+  trade_name: string | null
   org_number: string | null
 
   // Address
@@ -1119,6 +1120,7 @@ export interface BalanceSheetReport {
 export interface SIEExportOptions {
   fiscal_period_id: string
   company_name: string
+  trade_name?: string | null
   org_number: string | null
   program_name?: string
 }