Change generate scenario's button on PipingCalculationView based on available stochastic soil models and surface lines. Change generate scenario's context menu item based on available stochastic soil models. Related to Issue [WTI-420] git-svn-id: https://repos.deltares.nl/repos/WettelijkToetsInstrumentarium/trunk@2781 5a3db67b-de53-47b5-99c8-a1c30a6650e2