Does any of the frontmatter in a markdown file get imported and applied in the UI when using the markdown component in the core Elements UI (not the CMS)?
No, the Markdown component will just render out the markdown file.
Does any of the frontmatter in a markdown file get imported and applied in the UI when using the markdown component in the core Elements UI (not the CMS)?
No, the Markdown component will just render out the markdown file.