fix history normalizePath relative path normalization

[MichaelWest22]

Description

Please describe what changes you made, and why you feel they are necessary. Make sure to include code examples, where applicable.

Corresponding issue:

Testing

Please explain how you tested this change manually, and, if applicable, what new tests you added. If you're making a change to just the website, you can omit this section.

Checklist

• [ ] I have read the contribution guidelines
• [ ] I have targeted this PR against the correct branch (master for website changes, dev for source changes)
• [ ] This is either a bugfix, a documentation update, or a new feature that has been explicitly approved via an issue
• [ ] I ran the test suite locally (npm run test) and verified that it succeeded