Fix(web-twig): Use embed in DocsSection to fix falling tests with unclosed block

[crishpeen]

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• Follow the PR Title/Commit Message Convention.
• Provide a description in this PR that addresses what the PR is solving, or reference the issue that it solves (e.g. fixes #123).
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[coveralls]

coverage: 70.949%. remained the same when pulling 91c6675 on fix/docs-section-content into 2094a04 on main.

[literat]

Thanks for fixing that 👏