fix unwanted parsing effect (#3371)

# Description

Please include a summary of the changes and the related issue. Please
also include relevant motivation and context.

## Checklist before requesting a review

Please delete options that are not relevant.

- [ ] My code follows the style guidelines of this project
- [ ] I have performed a self-review of my code
- [ ] I have commented hard-to-understand areas
- [ ] I have ideally added tests that prove my fix is effective or that
my feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] Any dependent changes have been merged

## Screenshots (if appropriate):

backend/api/quivr_api/modules/upload/controller/upload_routes.py

@@ -75,25 +75,25 @@ async def upload_file(
         message = f"Brain will exceed maximum capacity. Maximum file allowed is : {convert_bytes(remaining_free_space)}"
         raise HTTPException(status_code=403, detail=message)
 
+    file_name = sanitize_filename(str(uploadFile.filename))
+
     # TODO:  Later
     upload_notification = notification_service.add_notification(
         CreateNotification(
             user_id=current_user.id,
             bulk_id=bulk_id,
             status=NotificationsStatusEnum.INFO,
-            title=f"{uploadFile.filename}",
+            title=file_name,
             category="upload",
             brain_id=str(brain_id),
         )
     )
-    file_name = f"{str(uploadFile.filename).split('.')[0]}.{str(uploadFile.filename).split('.')[-1]}"
 
     background_tasks.add_task(
         maybe_send_telemetry, "upload_file", {"file_name": file_name}
     )
 
     filename_with_brain_id = str(brain_id) + "/" + file_name
-    filename_with_brain_id = sanitize_filename(filename_with_brain_id)
 
     buff_reader = io.BufferedReader(uploadFile.file)  # type: ignore
     try: