Pass model to EnvelopeSigned view on already signed check

Previously, the "EnvelopeSigned" view was returned without a model when an envelope was already signed. Now, the er model object is passed to the view to provide additional context or data.

EnvelopeGenerator.Web/Controllers/EnvelopeController.cs

@@ -91,7 +91,7 @@ public class EnvelopeController : ViewControllerBase
             if (await _historyService.IsSigned(envelopeId: er.Envelope!.Id, userReference: er.Receiver!.EmailAddress))
             {
                 await HttpContext.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);
-                return View("EnvelopeSigned");
+                return View("EnvelopeSigned", er);
             }
             #endregion