[BugFix] Fix Provider Interface Body Assignment Of Dict-Like Parameters (#6561)

* fix provider interface body assignment for Dict-like parameters.

* 3.9 safe

---------

Co-authored-by: Igor Radovanovic <74266147+IgorWounds@users.noreply.github.com>

openbb_platform/core/openbb_core/app/provider_interface.py

@@ -15,7 +15,7 @@ from typing import (
     Union,
 )
 
-from fastapi import Query
+from fastapi import Body, Query
 from pydantic import (
     BaseModel,
     ConfigDict,
@@ -290,6 +290,23 @@ class ProviderInterface(metaclass=SingletonMeta):
         else:
             default = field.default
 
+        if (
+            hasattr(annotation, "__name__")
+            and annotation.__name__ in ["Dict", "dict", "Data"]  # type: ignore
+            or field.kw_only is True
+        ):
+            return DataclassField(
+                new_name,
+                annotation,
+                Body(
+                    default=default,
+                    title=provider_name,
+                    description=description,
+                    alias=field.alias or None,
+                    json_schema_extra=getattr(field, "json_schema_extra", None),
+                ),
+            )
+
         if query:
             # We need to use query if we want the field description to show
             # up in the swagger, it's a fastapi limitation