Add data-dictionary attribute to glossary-first handlebar

[Kuuuube]

Using a div here instead of an li since this handlebar hasnt used that previously. A little bit wonky since the single-glossary handlebars do use an li even though it's also only ever one glossary. Maybe that should be changed but outside the scope of this PR.

[chatgpt-codex-connector]

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[chatgpt-codex-connector]

Render term glossary-first from the definition context

For non-grouped term definitions this block is still in the root render context, so dictionary and . are not the term definition; the previous template passed definition explicitly. In that scenario {glossary-first} now emits an empty data-dictionary and an empty glossary/tag block (the updated test expectations include data-dictionary="" and <ul></ul>), which breaks ordinary term cards using this marker. Pass definition to glossary-single and read definition.dictionary here, and apply the same correction in the v77 upgrade template.

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[7hosi]

Lapis relies on the <ul><li></li></ul> structure, and other note types might as well. I think the change to a <div> for when there is one glossary would be better done to all handlebars later (if at all, since it would break people's cards).