Bug/skv konto numbers (#498)

* feat(skattekonto): add overdue transactions handling and split logic

* feat: enhance transaction handling and loading states

- Update BalanceHero component to display last synced date and additional information about Skatteverket updates.
- Refactor BookDirectlyDialog to simplify transaction linking logic and improve UI for transaction selection.
- Revamp InvoiceInboxWorkspace layout for better responsiveness and user experience, including improved skeleton loading states.
- Introduce new loading states for ExtensionWorkspace to match the live layout and improve user feedback during data fetching.
- Implement exchange rate fetching in QuickReviewDialog, ensuring transactions are always processed in SEK with error handling for rate fetching.
- Add structured error handling for unavailable exchange rates in the transaction API.

* feat(skattekonto): add 'Skattekonto – saldo & transaktioner' scope and update authorization checks

* feat: implement reverse charge handling in supplier invoice calculations and UI

components/settings/SkatteverketConnectPanel.tsx

@@ -24,6 +24,7 @@ type Status =
 const SCOPE_LABELS: Record<string, string> = {
   momsdeklaration: 'Momsdeklaration',
   inkforetag: 'Företagsinformation',
+  skahmst: 'Skattekonto – saldo & transaktioner',
   skattekonto: 'Skattekonto',
   agd: 'Arbetsgivardeklaration',
 }
@@ -175,7 +176,7 @@ export function SkatteverketConnectPanel() {
               </Badge>
             ))}
           </div>
-          {!scopes.includes('skattekonto') && (
+          {!scopes.includes('skahmst') && !scopes.includes('skattekonto') && (
             <p className="mt-3 text-sm text-foreground">
               Behörigheten för Skattekonto saknas — koppla från och anslut igen
               för att aktivera saldo- och transaktionsvyn.