[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

test/Core.Test/Utilities/ClaimsExtensionsTests.cs

@@ -0,0 +1,39 @@
+using System;
+using System.Collections.Generic;
+using System.Security.Claims;
+using Bit.Core.Utilities;
+using Xunit;
+
+namespace Bit.Core.Test.Utilities
+{
+    public class ClaimsExtensionsTests
+    {
+        [Fact]
+        public void HasSSOIdP_Returns_True_When_The_Claims_Has_One_Of_Type_IdP_And_Value_Sso()
+        {
+            var claims = new List<Claim> { new Claim("idp", "sso") };
+            Assert.True(claims.HasSsoIdP());
+        }
+
+        [Fact]
+        public void HasSSOIdP_Returns_False_When_The_Claims_Has_One_Of_Type_IdP_And_Value_Is_Not_Sso()
+        {
+            var claims = new List<Claim> { new Claim("idp", "asdfasfd") };
+            Assert.False(claims.HasSsoIdP());
+        }
+
+        [Fact]
+        public void HasSSOIdP_Returns_False_When_The_Claims_Has_No_One_Of_Type_IdP()
+        {
+            var claims = new List<Claim> { new Claim("qweqweq", "sso") };
+            Assert.False(claims.HasSsoIdP());
+        }
+
+        [Fact]
+        public void HasSSOIdP_Returns_False_When_The_Claims_Are_Empty()
+        {
+            var claims = new List<Claim>();
+            Assert.False(claims.HasSsoIdP());
+        }
+    }
+}