Try rewriting with httpclient

src-ui/src/main.ts

@@ -9,6 +9,7 @@ import { DatePipe, registerLocaleData } from '@angular/common'
 import {
   HTTP_INTERCEPTORS,
   provideHttpClient,
+  withFetch,
   withInterceptorsFromDi,
 } from '@angular/common/http'
 import { FormsModule, ReactiveFormsModule } from '@angular/forms'
@@ -393,6 +394,6 @@ bootstrapApplication(AppComponent, {
     CorrespondentNamePipe,
     DocumentTypeNamePipe,
     StoragePathNamePipe,
-    provideHttpClient(withInterceptorsFromDi()),
+    provideHttpClient(withInterceptorsFromDi(), withFetch()),
   ],
 }).catch((err) => console.error(err))