Allow to alter model set simulator in pilot client

* selector can be read only
* functions in context to obtain model set from loader/matcher, this will not be used when a plugin driver is present
* adjusted UI

src/blackgui/components/simulatorselector.h

@@ -87,6 +87,9 @@ namespace BlackGui
             //! Clear values
             void clear();
 
+            //! Set read only
+            void setReadOnly(bool readOnly);
+
         signals:
             //! Value has been changed
             void changed(const BlackMisc::Simulation::CSimulatorInfo &simulator);