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/my-disbursement-requests/my-disbursement-requests.component.html

@@ -189,6 +189,14 @@
                 </td>
               </tr>
             }
+            @if (r.status === 'FAILED' && r.error_message) {
+              <tr class="mdr-reason-row mdr-reason-row--failed">
+                <td colspan="8" class="mdr-reason-cell mdr-reason-cell--failed">
+                  <mat-icon class="mdr-reason-icon">error_outline</mat-icon>
+                  Processing failed &amp; transactions reversed: {{ r.error_message }}
+                </td>
+              </tr>
+            }
           }
         </tbody>
       </table>