TD-4467 Reverting the changes made in ClockUtility

Author: rshrirohit

DigitalLearningSolutions.Data/Utilities/ClockUtility.cs

@@ -10,7 +10,7 @@ public interface IClockUtility
 
     public class ClockUtility : IClockUtility
     {
-        public DateTime UtcNow => DateTime.Now;
+        public DateTime UtcNow => DateTime.UtcNow;
         public DateTime UtcToday => UtcNow.Date;
     }
 }