[PS-589] Fix emergency contact takeover device verification and endpoints for its settings (#2016)

* Added UnknownDeviceVerificationEnabled on User that is turned off when emergency contact takes over the account. Also added endpoints to get and update 2fa device verification settings. And Updated migrations & tests

* Applied dotnet format

* Fixed method rename call on TwoFactorController

* PS-589 Format fixes

* PS-589 changed UnknownDeviceVerificationEnabled to be non-nullable

src/Core/Utilities/ClaimsExtensions.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Security.Claims;
+
+namespace Bit.Core.Utilities
+{
+    public static class ClaimsExtensions
+    {
+        public static bool HasSsoIdP(this IEnumerable<Claim> claims)
+        {
+            return claims.Any(c => c.Type == "idp" && c.Value == "sso");
+        }
+    }
+}