fix(ui): Adds related model support to embeddings

[hipsterusername]

## Summary

Adds related model support to embeddings. Also reorders the prompt trigger popover menu to display LoRA trigger phrases before compatible embeddings. 

## Related Issues / Discussions
Missing embedding related models.

## QA Instructions
1.  Open the prompt trigger popover menu (e.g., by typing `/` in the prompt input field).
2.  Verify that "LoRA Trigger Phrases" are listed before "Compatible Embeddings".
3. Verify related embeddings are styled correctly.

## Merge Plan
merge when good.

## Checklist

- [x] _The PR has a short but descriptive title, suitable for a changelog_
- [ ] _Tests added / updated (if applicable)_
- [ ] _Documentation added / updated (if applicable)_
- [ ] _Updated `What's New` copy (if doing a release after this PR)_

[hipsterusername]

@psychedelicious Think this should be a pretty tame change, and much more ergonomic for anyone using linked LoRA triggers.