Updated ConvertDateTimeToTfsAsOfDateTimeString implementation to use ToString overload rather than hard crafting it to address issue where time was set to the morning which caused the REST call to fail because the date string format was invalid
Updated ConvertDateTimeToTfsAsOfDateTimeString implementation to use ToString overload rather than hard crafting it to address issue where time was set to the morning which caused the REST call to fail because the date string format was invalid

headforwards/project-metrics,headforwards/project-metrics,headforwards/project-metrics