refactor: dont use file name from metadata

cognee/infrastructure/files/utils/get_file_metadata.py

@@ -53,15 +53,15 @@ async def get_file_metadata(file: BinaryIO, name: Optional[str] = None) -> FileM
     except io.UnsupportedOperation as error:
         logger.error(f"Error retrieving content hash for file: {file.name} \n{str(error)}\n\n")
 
-    file_type = guess_file_type(file, name=name)
+    file_type = guess_file_type(file, name)
 
     file_path = getattr(file, "name", None) or getattr(file, "full_name", None)
 
     if isinstance(file_path, str):
         file_name = Path(file_path).stem if file_path else None
     else:
-        # In case file_path does not exist try file_name
-        file_name = name
+        # In case file_path does not exist or is a integer return None
+        file_name = None
 
     # Get file size
     pos = file.tell()  # remember current pointer