change: [M3-7446] - VLAN availability text on Linode Create

[abailly-akamai]

Description 📝

This PR refactors the list of VLAN available regions in the VLAN Linode Create flow since it was too long and hard to read.

Changes 🔄

• Implement new notice with tooltip containing VLAN available regions (both in legacy Panel and VPC accordion)
• Implement VPC accordion test (only since panel is about to be deprecated)

Preview 📷

Before	After

How to test 🧪

Verification steps

• Pull & run code locally
• Navigate to linode/create, scroll down to the VLAN panel and confirm updated panel with copy & regions tooltip
• Turn on the VPC flag, navigate to linode/create, scroll down to the VLAN accordion and expand it, and confirm updated copy & regions tooltip

As an Author I have considered 🤔

Check all that apply

• 👀 Doing a self review
• ❔ Our contribution guidelines
• 🤏 Splitting feature into small PRs
• ➕ Adding a changeset
• 🧪 Providing/Improving test coverage
• 🔐 Removing all sensitive information from the code and PR description
• 🚩 Using a feature flag to protect the release
• 👣 Providing comprehensive reproduction steps
• 📑 Providing or updating our documentation
• 🕛 Scheduling a pair reviewing session
• 📱 Providing mobile support
• ♿ Providing accessibility support

[github-actions]

Coverage Report: ✅
Base Coverage: 77.52%
Current Coverage: 77.53%

[dwiley-akamai]

VLAN panel & accordion have updated copy & regions tooltip ✅
VLANAccordion.test.tsx passes ✅
Code review ✅

[coliu-akamai]

yay thanks Alban, this looks a lot cleaner! 🎉

✅ website
✅ unit tests
✅ code review

[abailly-akamai]

Confirmed e2e failues are unrelated - those smoke tests are passing locally consistently