Make it possible to exclude partial delta curves

Make sure statistics curves are recomputed on flag change

When toggling "Discard Missing or Incomplete Realizations", make sure the statistics is recomputed and the ensemble plots updated.

ApplicationLibCode/Application/Tools/Summary/RiaSummaryTools.cpp

@@ -430,3 +430,15 @@ void RiaSummaryTools::reloadSummaryEnsemble( RimSummaryEnsemble* ensemble )
         multiPlot->updatePlotTitles();
     }
 }
+
+//--------------------------------------------------------------------------------------------------
+///
+//--------------------------------------------------------------------------------------------------
+time_t RiaSummaryTools::calculateTimeThreshold( const time_t& minimum, const time_t& maximum )
+{
+    // The cutoff time is the time where the time step is less than 1% of the total time range
+    const auto epsilon       = 0.01;
+    const auto timeThreshold = maximum - ( maximum - minimum ) * epsilon;
+
+    return timeThreshold;
+}