Angular 使用BLOB数据类型时，HTTPCLIENT中可能存在错误

在我开始使用Angular 17版本并推荐使用with Fetch之后，搜索BLOB的GET方法停止工作. 如果您不使用WITH Fetch，PDF将在我的模板的IFRAME内正常打开. 注意:编译期间或运行时不会显示任何错误.PDF显示有错误的内容，显示奇怪的文本和字符. 下面的代码中有什么错误？会不会是个窃听器？

App.config.ts

export const appConfig: ApplicationConfig = {
    providers: [
        provideRouter(routes),
        provideHttpClient(
            withInterceptorsFromDi(),
            withFetch()
        ),   
...
}

Services.ts

public downloadDiagrammedPdf(sumarioId: number, nomeDoDiagramaPDF: string): Observable<HttpEvent<Blob>> {
    return this.http.request(
      new HttpRequest('GET', `${this.apiDownloadPdfUrl}?sumarioId=${sumarioId}&nomeDoDiagramaPDF=${nomeDoDiagramaPDF}`, null, {
        reportProgress: true,
        responseType: 'blob',
      })
    );
  }

ShowPdf.componente.ts

downloadFile(sumarioId: number, nomeDoDiagramaPDF: string): void {
    this.serviceUpDown.downloadDiagrammedPdf(sumarioId, nomeDoDiagramaPDF).subscribe({
      next: (data) => {
        switch (data.type) {
          case HttpEventType.DownloadProgress:
            break;
          case HttpEventType.Response:
            //this.downloadStatus.emit({ status: ProgressStatusEnum.COMPLETE });
            const file = new Blob([data.body as BlobPart], {
              type: data.body?.type,
            });
            this.createPdfFromBlob(file);
            break;
        }
      },
      error: (err) => {
        //this.downloadStatus.emit({ status: ProgressStatusEnum.ERROR });
        if (err.status == 404) {
          this.router.navigate(['app-error-page']);
        }
        else
          console.log(err);

      },
      complete: () => { }
    });
  }

  createPdfFromBlob(file: Blob) {
    this.pdfSrc = this.sanitizer.bypassSecurityTrustResourceUrl(window.URL.createObjectURL(file));
  }

版本:

{
    "@angular/animations": "^17.0.2",
    "@angular/cdk": "^17.0.0",
    "@angular/common": "^17.0.2",
    "@angular/compiler": "^17.0.2",
    "@angular/core": "^17.0.2",
    "@angular/forms": "^17.0.2",
    "@angular/material": "^17.0.0",
    "@angular/platform-browser": "^17.0.2",
    "@angular/platform-browser-dynamic": "^17.0.2",
    "@angular/platform-server": "^17.0.2",
    "@angular/router": "^17.0.2",
    "@angular/ssr": "^17.0.0",
    "@auth0/angular-jwt": "^5.1.2",
    "@material/icon-button": "^15.0.0-canary.684e33d25.0",
    "angular-imask": "^7.1.3",
    "express": "^4.15.2",
    "ngx-toastr": "^17.0.2",
    "rxjs": "~7.8.1",
    "tslib": "^2.6.2",
    "zone.js": "~0.14.2"
  }