fix mypy errors and a failing test

Author: brianjlai

airbyte_cdk/sources/declarative/declarative_component_schema.yaml

@@ -1484,6 +1484,9 @@ definitions:
             examples:
               - "{{ record.id }}/{{ record.file_name }}/"
               - "{{ record.id }}_{{ record.file_name }}/"
+          $parameters:
+            type: object
+            additional_properties: true
       $parameters:
         type: object
         additional_properties: true

airbyte_cdk/sources/declarative/models/declarative_component_schema.py

@@ -2085,6 +2085,7 @@ class FileUploader(BaseModel):
             "{{ record.id }}_{{ record.file_name }}/",
         ],
     )
+    parameters: Optional[Dict[str, Any]] = Field(None, alias="$parameters")
 
 
 class DeclarativeStream(BaseModel):

airbyte_cdk/sources/declarative/parsers/model_to_component_factory.py

@@ -2967,7 +2967,10 @@ def create_simple_retriever(
                 model.requester.request_parameters = self._remove_query_properties(
                     model.requester.request_parameters
                 )
-        elif model.requester.fetch_properties_from_endpoint:
+        elif (
+            hasattr(model.requester, "fetch_properties_from_endpoint")
+            and model.requester.fetch_properties_from_endpoint
+        ):
             query_properties_definition = QueryPropertiesModel(
                 type="QueryProperties",
                 property_list=model.requester.fetch_properties_from_endpoint,