Add CreatedDate and OriginalCreatedDate to RevisionItem

Author: ma-chni

src/MigrationTools.Clients.TfsObjectModel.Tests/Tools/TfsRevisionManagerTests.cs

@@ -19,7 +19,7 @@ private static List<RevisionItem> GetWorkItemWithRevisions(DateTime currentDateT
             for (int i = startHours; i < endHours + startHours; i++)
             {
                 DateTime dateTime = dateIncreasing ? currentDateTime.AddHours(i) : currentDateTime;
-                revisions.Add(i, new RevisionItem() { Index = i, Number = i, ChangedDate = dateTime, OriginalChangedDate = dateTime });
+                revisions.Add(i, new RevisionItem() { Index = i, Number = i, ChangedDate = dateTime, OriginalChangedDate = dateTime, CreatedDate = dateTime, OriginalCreatedDate = dateTime });
             }
 
             return revisions.Values.ToList();