docstr: Find and read a description file for a given path (without extension).
code: def find_description(self, path):
      """
      Find and read a description file for a given path (without extension).
      """
      for file in [f"{path}.txt", f"{path}.description.txt"]:
          try:
              with open(
                  file, "r", encoding="utf-8", errors="replace"
              ) as f:
                  return f.read()
          except OSError:
              pass
      return None
  
imports: import functools
  import os.path
  import urllib.parse
  from pathlib import Path
  from modules import shared, ui_extra_networks_user_metadata, errors, extra_networks
  from modules.images import read_info_from_image, save_image_with_geninfo
  import gradio
  import json
  import html
  from fastapi.exceptions import HTTPException
  from modules.generation_parameters_copypaste import image_from_url_text
  from modules.ui_components import ToolButton
label_desc: Use image node_id 13 for calling the ExtraNetworksPage obj's underlying member method code with example usage: obj.find_description(path) and returns: None, f