Fix error message if already accepted EA invite (#1159)

* Fix error message if already accepted EA invite

* Fix error message wording depending on EA status

src/Core/Services/Implementations/EmergencyAccessService.cs

@@ -116,15 +116,19 @@ namespace Bit.Core.Services
                 throw new BadRequestException("Invalid token.");
             }
 
-            if (string.IsNullOrWhiteSpace(emergencyAccess.Email) ||
-                !emergencyAccess.Email.Equals(user.Email, StringComparison.InvariantCultureIgnoreCase))
+            if (emergencyAccess.Status == EmergencyAccessStatusType.Accepted)
             {
-                throw new BadRequestException("User email does not match invite.");
+                throw new BadRequestException("Invitation already accepted. You will receive an email when the grantor confirms you as an emergency access contact.");
+            }
+            else if (emergencyAccess.Status != EmergencyAccessStatusType.Invited)
+            {
+                throw new BadRequestException("Invitation already accepted.");
             }
 
-            if (emergencyAccess.Status != EmergencyAccessStatusType.Invited)
+            if (string.IsNullOrWhiteSpace(emergencyAccess.Email) ||
+                !emergencyAccess.Email.Equals(user.Email, StringComparison.InvariantCultureIgnoreCase))
             {
-                throw new BadRequestException("Already accepted.");
+                throw new BadRequestException("User email does not match invite.");
             }
 
             var granteeEmail = emergencyAccess.Email;