Allow for gaslift for wells that violate thp limit but are not allowed to switch

opm/simulators/wells/WellInterfaceGeneric.hpp

@@ -91,6 +91,7 @@ public:
     // whether the well is operable
     bool isOperableAndSolvable() const;
     bool useVfpExplicit () const;
+    bool thpLimitViolatedButNotSwitched() const;
 
     void initCompletions();
     void closeCompletions(const WellTestState& wellTestState);