Wellplanning: use updated MSW table data api (#13142)

* Update to use new table variable names aligned with opm common naming.

ApplicationLibCode/ReservoirDataModel/CompletionsMsw/RigMswDataFormatter.cpp

@@ -256,7 +256,8 @@ void RigMswDataFormatter::formatWelsegsTable( RifTextDataTableFormatter& formatt
     formatter.add( welsegsHeader.topLength );
     formatter.addOptionalValue( welsegsHeader.wellboreVolume );
     formatter.addStdString( welsegsHeader.infoType );
-    formatter.addStdString( welsegsHeader.pressureComponents );
+    formatter.addOptionalStdString( welsegsHeader.pressureComponents );
+    formatter.addOptionalStdString( welsegsHeader.flowModel );
     formatter.rowCompleted();
 
     // Column headers for segment data

ApplicationLibCode/ReservoirDataModel/CompletionsMsw/RigMswTableRows.h

@@ -42,7 +42,7 @@ struct WelsegsHeader
     double                      topLength;          // TOPLEN
     std::optional<double>       wellboreVolume;     // WBORVOL
     std::string                 infoType;           // TUBOPT
-    std::string                 pressureComponents; // PRESOPT
+    std::optional<std::string>  pressureComponents; // PRESOPT
     std::optional<std::string>  flowModel;          // FLOWOPT
 };