🐛 Fix jsonable_encoder using include and exclude parameters for non-Pydantic objects (#2606)

Co-authored-by: Sebastián Ramírez <tiangolo@gmail.com>

fastapi/encoders.py

@@ -80,6 +80,11 @@ def jsonable_encoder(
         return obj
     if isinstance(obj, dict):
         encoded_dict = {}
+        allowed_keys = set(obj.keys())
+        if include is not None:
+            allowed_keys &= set(include)
+        if exclude is not None:
+            allowed_keys -= set(exclude)
         for key, value in obj.items():
             if (
                 (
@@ -88,7 +93,7 @@ def jsonable_encoder(
                     or (not key.startswith("_sa"))
                 )
                 and (value is not None or not exclude_none)
-                and ((include and key in include) or not exclude or key not in exclude)
+                and key in allowed_keys
             ):
                 encoded_key = jsonable_encoder(
                     key,
@@ -144,6 +149,8 @@ def jsonable_encoder(
             raise ValueError(errors)
     return jsonable_encoder(
         data,
+        include=include,
+        exclude=exclude,
         by_alias=by_alias,
         exclude_unset=exclude_unset,
         exclude_defaults=exclude_defaults,