OZG-5796: handle error state resource for uploaded attachment

alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-attachments/vorgang-detail-bescheiden-result-attachments.component.spec.ts

@@ -315,6 +315,17 @@ describe('VorgangDetailBescheidenResultAttachmentsComponent', () => {
       expect(component.uploadedAttachments).toEqual([]);
     });
 
+    it('should leave errors in uploaded', () => {
+      const error: StateResource<BinaryFileResource> = createStateResource(
+        createBinaryFileResource(),
+      );
+      component.uploadedAttachments = [error];
+
+      component.deleteFile(uploadedAttachmentStateResource.resource);
+
+      expect(component.uploadedAttachments).toEqual([error]);
+    });
+
     it('should not delete attachment from existing', () => {
       component.uploadedAttachments = [uploadedAttachmentStateResource];
       component.existingAttachments = [existingAttachment];

alfa-client/libs/vorgang-detail/src/lib/vorgang-detail-page/vorgang-detail-bescheiden/vorgang-detail-bescheiden-result/vorgang-detail-bescheiden-result-attachments/vorgang-detail-bescheiden-result-attachments.component.ts

 import { BescheidService, UploadFileInProgress } from '@alfa-client/bescheid-shared';
 import { BinaryFileResource } from '@alfa-client/binary-file-shared';
 import {
-  StateResource,
   containsLoading,
   getSuccessfullyLoaded,
   hasStateResourceError,
   isLoaded,
   isNotNil,
+  StateResource,
 } from '@alfa-client/tech-shared';
 import { Component, Input, OnDestroy, OnInit } from '@angular/core';
 import { getUrl } from '@ngxp/rest';
-import { Observable, Subscription, first } from 'rxjs';
+import { first, Observable, Subscription } from 'rxjs';
 import { BescheidenFormService } from '../../bescheiden.formservice';
 
 @Component({
@@ -76,10 +76,11 @@ export class VorgangDetailBescheidenResultAttachmentsComponent implements OnDest
   deleteFile(file: BinaryFileResource): void {
     this.formService.deleteFile(file);
     this.uploadedAttachments = this.uploadedAttachments.filter(
-      (attachment) => getUrl(attachment.resource) !== getUrl(file),
+      (attachment: StateResource<BinaryFileResource>) =>
+        !hasStateResourceError(attachment) && getUrl(attachment.resource) !== getUrl(file),
     );
     this.existingAttachments = this.existingAttachments.filter(
-      (attachment) => getUrl(attachment) !== getUrl(file),
+      (attachment: BinaryFileResource) => getUrl(attachment) !== getUrl(file),
     );
   }
 }