Fix: handle custom field display race condition

src-ui/src/app/services/settings.service.ts

@@ -268,6 +268,7 @@ export class SettingsService {
   public get allDisplayFields(): Array<{ id: DisplayField; name: string }> {
     return this._allDisplayFields
   }
+  public displayFieldsInitialized: boolean = false
 
   constructor(
     rendererFactory: RendererFactory2,
@@ -361,7 +362,10 @@ export class SettingsService {
             }
           })
         )
+        this.displayFieldsInitialized = true
       })
+    } else {
+      this.displayFieldsInitialized = true
     }
   }