Fix missing content in HTML files

What does this MR do and why?

Fixes the issue where content sometimes was not rendered in HTML files

Screenshots or screen recordings

Before	After

How to set up and validate locally

1. Open an HTML file containing script tags
   • sample.html
2. The content in the script tags should render as expected

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #414737 (closed)