chore(gatsby, nav): update gtm configs and nav links

[Yuiham]

This PR mainly does the following:

• Remove custom route change event name for gtm
• Remove unnecessary url search params for the playground link

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
website-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 4, 2024 10:46am