Fixes labelling of date range on last line of summary report

Author: kevwhitt-hee

DigitalLearningSolutions.Web/Services/ActivityService.cs

@@ -140,7 +140,7 @@ public byte[] GetActivityDataFileForCentre(int centreId, ActivityFilterData filt
                     last.DateInformation.GetDateRangeLabel(
                         DateHelper.StandardDateFormat,
                         filterData.EndDate ?? clockUtility.UtcNow,
-                        true
+                        false
                     ),
                     last.Enrolments,
                     last.Completions,