text: Title: [BUG] Error while resetting index
  Body: **Describe the bug**
  Getting this while resetting the index:
  ```
  Ignoring exception in on_application_command_error
  Traceback (most recent call last):
    File "/home/xxx/.local/lib/python3.9/site-packages/discord/commands/core.py", line 124, in wrapped
      ret = await coro(arg)
    File "/home/xxx/.local/lib/python3.9/site-packages/discord/commands/core.py", line 978, in _invoke
      await self.callback(self.cog, ctx, **kwargs)
    File "/home/xxx/xxx/cogs/commands.py", line 182, in delete_all_conversation_threads
      await self.converser_cog.delete_all_conversation_threads_command(ctx)
    File "/home/xxx/gpt2/cogs/text_service_cog.py", line 855, in delete_all_conversation_threads_command
      await ctx.respond("All conversation threads in this server have been deleted.")
    File "/home/xxx/.local/lib/python3.9/site-packages/discord/commands/context.py", line 286, in respond
      return await self.followup.send(*args, **kwargs)  # self.send_followup
    File "/home/xxx/.local/lib/python3.9/site-packages/discord/webhook/async_.py", line 1745, in send
      data = await adapter.execute_webhook(
    File "/home/xxx/.local/lib/python3.9/site-packages/discord/webhook/async_.py", line 219, in request
      raise NotFound(response, data)
  discord.errors.NotFound: 404 Not Found (error code: 10008): Unknown Message
  
  The above exception was the direct cause of the following exception:
  
  Traceback (most recent call last):
    File "/home/xxx/.local/lib/python3.9/site-packages/discord/client.py", line 378, in _run_event
      await coro(*args, **kwargs)
    File "/home/xxx/xxx/gpt3discord.py", line 120, in on_application_command_error
      raise error
    File "/home/xxx/.local/lib/python3.9/site-packages/discord/bot.py", line 1114, in invoke_application_command
      await ctx.command.invoke(ctx)
    File "/home/xxx/.local/lib/python3.9/site-packages/discord/commands/core.py", line 375, in invoke
      await injected(ctx)
    File "/home/xxx/.local/lib/python3.9/site-packages/discord/commands/core.py", line 124, in wrapped
      ret = await coro(arg)
    File "/home/xxx/.local/lib/python3.9/site-packages/discord/commands/core.py", line 1312, in _invoke
      await command.invoke(ctx)
    File "/home/xxx/.local/lib/python3.9/site-packages/discord/commands/core.py", line 375, in invoke
      await injected(ctx)
    File "/home/xxx/.local/lib/python3.9/site-packages/discord/commands/core.py", line 132, in wrapped
      raise ApplicationCommandInvokeError(exc) from exc
  discord.errors.ApplicationCommandInvokeError: Application Command raised an exception: NotFound: 404 Not Found (error code: 10008): Unknown Message
  Traceback (most recent call last):
    File "/home/xxx/xxx/models/index_model.py", line 177, in reset_indexes
      EnvService.find_shared_file(f"indexes/{user_id}_search")
    File "/home/xxx/xxx/services/environment_service.py", line 73, in find_shared_file
      raise ValueError(f"Unable to find shared data file {file_name}")
  ValueError: Unable to find shared data file indexes/417185533564026882_search
  ```
  
  **To Reproduce**
  Steps to reproduce the behavior:
  - Add a index
  - Try resetting
  
  **Expected behavior**
  Reset to be successful, but seems not
  
  **Screenshots**
  N/A
  
  **Additional context**
  N/A
  