Markdown: Fully qualify paths
Use full_ident_name instead of Identifier.name to render complete
module-qualified paths in markdown output (e.g. Foo.Bar.t instead of
just t). This makes the markdown output much more useful for LLMs
that need unambiguous type references.
Cherry-picked from jonludlam/odoc@0220c2e06
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>