docs: provide unique keys for side nav

[kevinlee11]

Describe the problem this PR addresses

Some components are under multiple groups, which when run locally causes these vue warns to occur

Describe the changes in this PR

Prepend group to the key name to make them unique

[github-actions[bot]]

Deployed Styleguide and Lab.

Notes

1. Links may take a few minutes to update after PR is opened or commit is pushed.
2. Links may become invalidated after PR is merged or closed.
3. Links for all releases and open PRs can be found on the Maker Deploys page.

[github-actions[bot]]

:tada: This PR is included in version 18.0.2 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: