public async Task<IActionResult> OnPostAsync()
    {
      if (!ModelState.IsValid)
      {
        return Page();
      }

      IFormFileCollection formFileCollection = HttpContext.Request.Form.Files;
      string htmlMessage = _emailBuilder.GetHtmlString(EmailConstants.SubjectWorkTemporaryProtection, TemporaryProtectionVM);

      await _emailSender.SendEmailAsync(EmailConstants.SubjectWorkTemporaryProtection, htmlMessage, formFileCollection);

      StatusMessage = "Form başarıyla gönderildi!";

      return RedirectToPage("/Index");
    }