WIP: Better diff in case of different types.

src/linkahead/apiutils.py

@@ -291,6 +291,7 @@ def compare_entities(entity0: Optional[Entity] = None,
     if entity0 is entity1:
         return diff
 
+    # FIXME Why not simply return a diff which says that the types are different?g
     if type(entity0) is not type(entity1):
         raise ValueError(
             "Comparison of different Entity types is not supported.")