First time loading performance optimization

[baojianting]

Description

When there are too many components on a page, the first loading can be time-consuming. The /info request cost about 500ms. It can be optimized. Just like gradio_config.

Closes: #8570

🎯 PRs Should Target Issues

First time loading performance issue

Tests

1. PRs will only be merged if tests pass on CI. To run the tests locally, please set up your Gradio environment locally and run the tests: bash scripts/run_all_tests.sh

2. You may need to run the linters: bash scripts/format_backend.sh and bash scripts/format_frontend.sh

[gradio-pr-bot]

🪼 branch checks and previews

•	Name	Status	URL
	Spaces	ready!	Spaces preview
	Website	ready!	Website preview
	Storybook	ready!	Storybook preview
:unicorn:	Changes	detected!	Details

---

Install Gradio from this PR

pip install https://gradio-builds.s3.amazonaws.com/95afc612546021f949be72a5e573a21eb2db18f9/gradio-4.36.1-py3-none-any.whl

Install Gradio Python Client from this PR

pip install "gradio-client @ git+https://github.com/gradio-app/gradio@95afc612546021f949be72a5e573a21eb2db18f9#subdirectory=client/python"

Install Gradio JS Client from this PR

npm install https://gradio-builds.s3.amazonaws.com/95afc612546021f949be72a5e573a21eb2db18f9/gradio-client-1.1.1.tgz

[gradio-pr-bot]

🦄 change detected

This Pull Request includes changes to the following packages.

Package	Version
@gradio/app	patch
@gradio/client	patch
gradio	patch

• [ ] Maintainers can select this checkbox to manually select packages to update.

With the following changelog entry.

First time loading performance optimization

Maintainers or the PR author can modify the PR title to modify this entry.

#### Something isn't right?

- Maintainers can change the version label to modify the version bump. - If the bot has failed to detect any changes, or if this pull request needs to update multiple packages to different versions or requires a more comprehensive changelog entry, maintainers can [update the changelog file directly](https://github.com/baojianting/gradio/edit/feat/gradio_api_info/.changeset/stale-crabs-return.md).

[abidlabs]

Thanks @baojianting, this generally looks good to me, but I left one comment above. I'm also going to ping @pngwn for a review here.

[baojianting]

Thanks @baojianting, this generally looks good to me, but I left one comment above. I'm also going to ping @pngwn for a review here.

OK, I have fixed it