enhance contract document rendering with detailed cargo information

- Updated ContractDocumentViewModelBuilder to include cargoTypeName, containerType, and cargoSummary in the schedule.
- Modified contract dynamic template tests to validate the new cargo fields.
- Enhanced contract renderer service tests to reflect changes in cargo data structure.
- Updated contract view model interface to include new cargo-related fields.
- Improved dynamic template rendering to display cargo type and container type.
- Refactored exchange settings controller and service to streamline error handling and feed status management.
- Introduced article HTML conversion functions to support Quill editor integration for structured article editing.
- Added tests for article HTML conversion to ensure correct round-trip processing of clauses and bullets.

apps/edr-freight-web/backoffice/src/pages/settings/ExchangeRateSettingsCard.tsx

@@ -24,18 +24,11 @@ function feedLabel(source: ExchangeRateSource | null): {
   switch (source) {
     case "live":
       return { live: true, text: "CBE reachable — using the live rate" };
-    case "cache":
-      return { live: true, text: "Using the rate cached from CBE" };
     case "stored":
       return {
         live: false,
         text: "CBE unreachable — using the fallback rate below",
       };
-    case "default":
-      return {
-        live: false,
-        text: "CBE unreachable and no rate stored — using the built-in default",
-      };
     default:
       return { live: true, text: "No rate requested yet since the last restart" };
   }