Fix:s3 Presign Put Request with File upload (#3235)

* Fix:s3 Presign Put Request with File upload

* Added imports in test

Co-authored-by: usmankb <usman@krazybee.com>

moto/s3/responses.py

@@ -1092,6 +1092,11 @@ class ResponseObject(_TemplateEnvironmentMixin, ActionAuthenticatorMixin):
         else:
             # Flask server
             body = request.data
+            # when the data is being passed as a file
+            if request.files and not body:
+                for _, value in request.files.items():
+                    body = value.stream.read()
+
         if body is None:
             body = b""