feat(clerk): enhance disbursement review and my-requests UI components

- Update disbursement review and my-disbursement-requests components
  with improved layout and additional UI enhancements

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/app/clerk/disbursement-review/disbursement-review.component.ts

@@ -134,8 +134,10 @@ export class DisbursementReviewComponent implements OnInit {
   statusClass(status: string): string {
     const map: Record<string, string> = {
       PENDING: 'dri-status--pending',
+      PROCESSING: 'dri-status--processing',
       APPROVED: 'dri-status--approved',
-      REJECTED: 'dri-status--rejected'
+      REJECTED: 'dri-status--rejected',
+      FAILED: 'dri-status--failed'
     };
     return map[status] ?? '';
   }