Adjust API v2/v1 comparison function (#2359)

* Fix Allow for `None={}` when comparing APIv1 and v2 #2358

* Versioning

Author: nikhilwoodruff

changelog_entry.yaml

@@ -0,0 +1,4 @@
+- bump: patch
+  changes:
+    fixed:
+    - Allowed for None/{} comparisons (v1/v2).

policyengine_api/jobs/calculate_economy_simulation_job.py

@@ -464,6 +464,9 @@ def _compute_cliff_impacts(self, simulation: Microsimulation) -> Dict:
 
 
 def is_similar(x, y, parent_name: str = "") -> bool:
+    if x is None or x == {}:
+        if y is None or y == {}:
+            return True
     # Handle None values
     if x is None or y is None:
         equal = x is y