[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

util/MySqlMigrations/Migrations/20220524171600_DeviceUnknownVerification.cs

@@ -0,0 +1,24 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+namespace Bit.MySqlMigrations.Migrations
+{
+    public partial class DeviceUnknownVerification : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<bool>(
+                name: "UnknownDeviceVerificationEnabled",
+                table: "User",
+                type: "tinyint(1)",
+                nullable: false,
+                defaultValue: true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "UnknownDeviceVerificationEnabled",
+                table: "User");
+        }
+    }
+}