Fixes gr.Markdown() does not render spaces around links correctly

[dawoodkhan82]

Description

Removed styling that created issues around any children of headers (links, bold, italics, text, etc.)

See markdown_example demo to view changes this causes.
Closes: #7359

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Install Gradio from this PR

pip install https://gradio-builds.s3.amazonaws.com/adc33b977d6f81ce7c361f3f19c022141c336f51/gradio-4.18.0-py3-none-any.whl

Install Gradio Python Client from this PR

pip install "gradio-client @ git+https://github.com/gradio-app/gradio@adc33b977d6f81ce7c361f3f19c022141c336f51#subdirectory=client/python"

[gradio-pr-bot]

🦄 change detected

This Pull Request includes changes to the following packages.

Package	Version
@gradio/markdown	patch
gradio	patch

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Fixes gr.Markdown() does not render spaces around links correctly

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[abidlabs]

Ah I see the issue that @pngwn is referring to. It happens when you set header_links=True. e.g.

import gradio as gr

with gr.Blocks() as demo:
    gr.Markdown("""
    # abc
    def
    """, header_links=True)
    demo.launch()

The links get rendered on a separate line now:

[abidlabs]

See above

[abidlabs]

LGTM @dawoodkhan82! I added a story to prevent regressions