Home page renders twice, one below the other.  #10053

Have you read the Contributing Guidelines on issues?

• I have read the Contributing Guidelines on issues.

Prerequisites

• I'm using the latest version of Docusaurus.
• I have tried the npm run clear or yarn clear command.
• I have tried rm -rf node_modules yarn.lock package-lock.json and re-installing packages.
• I have tried creating a repro with https://new.docusaurus.io.
• I have read the console error message carefully (if applicable).

Description

The home page renders twice, one below the other. This happens only when I use the absolute path for example - https://docusaurus.io/index.html. The search and theme change button becomes unresponsive for the page rendered on top. This happens on the initial load only.

Reproducible demo

No response

Steps to reproduce

Check this URL - https://docusaurus.io/index.html

Expected behavior

The home page should render the content once.

Actual behavior

The home page renders content twice.

Your environment

• Public source code:
• Public site URL:
• Docusaurus version used: 3.2.1
• Environment name and version (e.g. Chrome 89, Node.js 16.4): 18.13.0
• Operating system and version (e.g. Ubuntu 20.04.2 LTS): Windows 10

Self-service

• I'd be willing to fix this bug myself.