getStreamImage(ticketId: number): Observable<any> {
    return this.http.get<any>(`${this.urlImages}/${ticketId}`, {
      headers: {'Content-Type': 'image/png'},
      responseType: 'blob' as 'json'
    }).pipe(
      map(e => this.sanitizer.bypassSecurityTrustUrl(URL.createObjectURL(e)))
    );
  }