Summary performance improvements

* Check flag before rebuilding summary address nodes
* Performance: Use vector instead of set and map locally in thread
* Performance: Skip looking for restart summary filenames for opm-common
* Move adding of case realization parameters to OpenMP loop
* Add unit test for file path operations
* Performance: Avoid using cdUp() function when splitting path into strings

ApplicationLibCode/ProjectDataModel/RimSummaryCalculationCollection.h

@@ -43,5 +43,4 @@ public:
 
 private:
     void updateDataDependingOnCalculations();
-    void initAfterRead() override;
 };