Enhancement: show name on cards if custom field empty, add tooltip (#6620)

src-ui/src/app/components/common/custom-field-display/custom-field-display.component.ts

@@ -41,6 +41,9 @@ export class CustomFieldDisplayComponent implements OnInit, OnDestroy {
     this.fieldId = parseInt(key.replace(DisplayField.CUSTOM_FIELD, ''), 10)
   }
 
+  @Input()
+  showNameIfEmpty: boolean = false
+
   value: any
   currency: string