[SG-763] Store the fact that a Passwordless request was denied in the AuthRequest table (#2363)

* Added migrations for sqlserver and mysql

* Added migrations for postgres

* renamed mysql migration script to make naming uniform

* introduced approved field to the update auth request controller;This change would keep track of denied passwordless requests

* Recreated the authRequestView, introduced the approved field to the create procedure and updated the response model

* Formatted code

* fixed incorrect syntax in the AuthRequest_Create.sql SP

src/Core/Entities/AuthRequest.cs

@@ -20,6 +20,7 @@ public class AuthRequest : ITableObject<Guid>
     public string PublicKey { get; set; }
     public string Key { get; set; }
     public string MasterPasswordHash { get; set; }
+    public bool? Approved { get; set; }
     public DateTime CreationDate { get; set; } = DateTime.UtcNow;
     public DateTime? ResponseDate { get; set; }
     public DateTime? AuthenticationDate { get; set; }