sponsors: implement better handling of benefit feature configuration naming (#2523)

When cloning benefits year-to-year, search/replace the year if it is part of the name. Otherwise continue to suffix... this stops the internal_id_2022_2023_2024_2025 nonsense.

Author: ewdurbin

sponsors/models/benefits.py

@@ -146,7 +146,10 @@ def create_benefit_feature(self, sponsor_benefit, **kwargs):
 
     def get_clone_kwargs(self, new_benefit):
         kwargs = super().get_clone_kwargs(new_benefit)
-        kwargs["internal_name"] = f"{self.internal_name}_{new_benefit.year}"
+        if str(self.benefit.year) in self.internal_name:
+            kwargs["internal_name"] = self.internal_name.replace(str(self.benefit.year), str(new_benefit.year))
+        else:
+            kwargs["internal_name"] = f"{self.internal_name}_{new_benefit.year}"
         due_date = kwargs.get("due_date")
         if due_date:
             kwargs["due_date"] = due_date.replace(year=new_benefit.year)