[Bug]: Extensions available tab click load from button not work

[Capricair]

Is there an existing issue for this?

• [X] I have searched the existing issues and checked the recent builds/commits

What happened?

I pulled the latest version of the submission, when I want to install the plugin, I found that clicking the load from button does not work

Steps to reproduce the problem

1. clone project
2. install and start
3. goto extensions, click available tab, click load from button

What should have happened?

extension list not loaded

Commit where the problem happens

64da5c46ef0d68b9048747c2e0d46ce3495f9f29

What platforms do you use to access the UI ?

Windows

What browsers do you use to access the UI ?

Google Chrome

Command Line Arguments

No

List of extensions

No

Console logs

venv "Z:\NovelAI\stable-diffusion-webui\venv\Scripts\Python.exe"
Python 3.10.6 (tags/v3.10.6:9c7b4bd, Aug  1 2022, 21:53:49) [MSC v.1932 64 bit (AMD64)]
Commit hash: 64da5c46ef0d68b9048747c2e0d46ce3495f9f29
Installing requirements for Web UI
Launching Web UI with arguments:
No module 'xformers'. Proceeding without it.
Loading weights [f42edd43aa] from Z:\NovelAI\stable-diffusion-webui\models\Stable-diffusion\3Guofeng3_v32Light_pruned.safetensors
Creating model from config: Z:\NovelAI\stable-diffusion-webui\configs\v1-inference.yaml
LatentDiffusion: Running in eps-prediction mode
DiffusionWrapper has 859.52 M params.
Applying cross attention optimization (Doggettx).
Textual inversion embeddings loaded(0):
Model loaded in 62.6s (load weights from disk: 0.2s, create model: 0.4s, apply weights to model: 2.7s, apply half(): 0.8s, move model to device: 0.6s, hijack: 57.0s, load textual inversion embeddings: 1.0s).
Running on local URL:  http://127.0.0.1:7860

To create a public link, set `share=True` in `launch()`.
Startup time: 66.1s (import torch: 0.8s, import gradio: 0.7s, import ldm: 0.2s, other imports: 0.7s, load scripts: 0.4s, load SD checkpoint: 62.9s, create ui: 0.2s, gradio launch: 0.1s).

Additional information

No response