fix: bugfix crash when evaluating feature

previous crash when a feature with faults was updated prior
to the faults being updated.

LoopStructural/modelling/features/geological_feature_builder.py

@@ -94,6 +94,8 @@ def up_to_date(self,callback=None):
             a function that is called when the feature is updated 
         
         """
+        for f in self.faults:
+            f.builder.up_to_date(callback=callback)
         #has anything changed in the builder since we built the feature? if so update
         if self._up_to_date == False:
             self.update()