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/ProjectDataModel/RimSummaryCalculation.cpp

@@ -345,7 +345,8 @@ std::optional<std::pair<std::vector<double>, std::vector<time_t>>>
         }
     }
 
-    timeHistoryCurveMerger.computeInterpolatedValues();
+    bool includeValuesFromPartialCurves = true;
+    timeHistoryCurveMerger.computeInterpolatedValues( includeValuesFromPartialCurves );
 
     ExpressionParser parser;
     for ( size_t i = 0; i < variables.size(); i++ )