Refactor/58829 migrate notes spec to jest

What does this MR do?

Refactors tests from spec/javascripts/vue_shared/components/notes/ to Jest

Fixes #58829 (closed)

Does this MR meet the acceptance criteria?

Conformity

• Changelog entry
• Documentation created/updated or follow-up review issue created
• Code review guidelines
• Merge request performance guidelines
• Style guides
• Database guides
• Separation of EE specific content

Performance and testing

• Tested locally
• Tested in CI