PS-77 Updated two-factor email request to include the device identifier to check whether to send the 2fa email because of a new device (#1895)

src/Core/Models/Request/TwoFactorEmailRequest.cs

@@ -4,5 +4,6 @@
     {
         public string Email { get; set; }
         public string MasterPasswordHash { get; set; }
+        public string DeviceIdentifier { get; set; }
     }
 }