update solver interface to fix bug

Author: sean-engelstad

funtofem/interface/_solver_interface.py

@@ -628,10 +628,10 @@ def get_adjoint_residual(self, step=0):
         """get the scalar total adjoint residual for this discipline interface"""
         return 0.0
 
-    def initialize_forward_tight_coupling(self):
+    def initialize_forward_tight_coupling(self, scenario):
         pass
 
-    def initialize_adjoint_tight_coupling(self):
+    def initialize_adjoint_tight_coupling(self, scenario):
         pass
 
     def get_last_adjoint_step(self):