OZG-6154 Fix loading indicator for single downloads

alfa-client/libs/binary-file/src/lib/binary-file2-container/binary-file2-container.component.ts

@@ -2,7 +2,7 @@ import { ApiDownloadToken, ApiRootService } from '@alfa-client/api-root-shared';
 import { BinaryFileResource, BinaryFileService } from '@alfa-client/binary-file-shared';
 import { StateResource } from '@alfa-client/tech-shared';
 import { Component, EventEmitter, Input, Output } from '@angular/core';
-import { Observable } from 'rxjs';
+import { Observable, tap } from 'rxjs';
 
 @Component({
   selector: 'alfa-binary-file2-container',
@@ -25,10 +25,9 @@ export class BinaryFile2ContainerComponent {
   ) {}
 
   startDownload(file: BinaryFileResource): void {
-    this.fileStateResource$ = this.binaryFileService.downloadFile(
-      file,
-      this.downloadFileNamePrefix,
-    );
+    this.fileStateResource$ = this.binaryFileService
+      .downloadFile(file, this.downloadFileNamePrefix)
+      .pipe(tap((resource) => (this.isLoading = resource.loading)));
   }
 
   getDownloadToken(): void {