always specify DateTimeKind.Utc for dapper

src/Core/Repositories/SqlServer/BaseRepository.cs

@@ -1,9 +1,15 @@
 using System;
+using Dapper;
 
 namespace Bit.Core.Repositories.SqlServer
 {
     public abstract class BaseRepository
     {
+        static BaseRepository()
+        {
+            SqlMapper.AddTypeHandler(new DateTimeHandler());
+        }
+
         public BaseRepository(string connectionString)
         {
             if(string.IsNullOrWhiteSpace(connectionString))

src/Core/Repositories/SqlServer/DateTimeHandler.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Data;
+using Dapper;
+
+public class DateTimeHandler : SqlMapper.TypeHandler<DateTime>
+{
+    public override void SetValue(IDbDataParameter parameter, DateTime value)
+    {
+        parameter.Value = value;
+    }
+
+    public override DateTime Parse(object value)
+    {
+        return DateTime.SpecifyKind((DateTime)value, DateTimeKind.Utc);
+    }
+}