fix(request): incorrectly parse body for a form

app/dependencies/param.py

@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-import inspect
 from typing import Any
 
 from fastapi import Request
@@ -37,15 +36,4 @@ def BodyOrForm[T: BaseModel](model: type[T]):
         except ValidationError as e:
             raise RequestValidationError(e.errors())
 
-    dependency.__signature__ = inspect.signature(  # pyright: ignore[reportFunctionMemberAccess]
-        lambda x: None
-    ).replace(
-        parameters=[
-            inspect.Parameter(
-                name=model.__name__.lower(),
-                kind=inspect.Parameter.POSITIONAL_OR_KEYWORD,
-                annotation=model,
-            )
-        ]
-    )
     return dependency