fix: [UIE-8446] - restore backup date and time fix

[mpolotsk-akamai]

Description 📝

Fix for Timezone Display Inconsistency During Restore Backup

Changes 🔄

• Updated the date-time picker to consistently show times in UTC
• Prevented restoring from a timestamp in the future
• Ensured the time selected for restoration will always be in UTC

Target release date 🗓️

2/11/25

Preview 📷

Before	After

How to test 🧪

Verification steps

Newest full backup:

• Navigate to the Backups tab in your database cluster
• Select “Restore a Backup” using the “Newest full backup plus incremental” option
• Check that the time displayed in the modal shows UTC time
• After selecting "Restore," a new database will be created with a UTC timestamp appended

Specific Date & Time:

• Navigate to the Backups tab in your database cluster
• Select “Restore a Backup” using the “Specific date & time” option
• Choose today’s date
• Verify the dropdown displays UTC hourly times to select, with future times after the current UTC time being disabled
• The selected time will restore in UTC as chosen

Author Checklists

As an Author, to speed up the review process, I considered 🤔

👀 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

• I have read and considered all applicable items listed above.

As an Author, before moving this PR from Draft to Open, I confirmed ✅

• All unit tests are passing
• TypeScript compilation succeeded without errors
• Code passes all linting rules

[github-actions]

Coverage Report: ✅
Base Coverage: 78.94%
Current Coverage: 78.94%

[cpathipa]

LGTM! Confirming on the verifications steps.

The base branch was changed.

[linode-gh-bot]

Cloud Manager UI test results

🔺 4 failing tests on test run #6 ↗︎

❌ Failing	✅ Passing	↪️ Skipped	🕐 Duration
4 Failing	491 Passing	7 Skipped	141m 4s

Details

Failing Tests
	Spec	Test
❌	third-party-access-tokens.spec.ts	Third party access tokens » "before each" hook for "Revokes a third party access token"
❌	service-transfer.spec.ts	Account service transfers » "before all" hook for "can navigate to service transfers landing page"
❌	user-profile.spec.ts	User Profile » can change the username but not email of another user account
❌	user-profile.spec.ts	User Profile » cannot change username or email for a proxy user or delete the proxy user

Troubleshooting

Use this command to re-run the failing tests:

yarn cy:run -s "cypress/e2e/core/account/third-party-access-tokens.spec.ts,cypress/e2e/core/account/service-transfer.spec.ts,cypress/e2e/core/account/user-profile.spec.ts"

[dwiley-akamai]

Functionality ✅
Code review ✅
utilities.test.tsx passing locally & in CI ✅

[dwiley-akamai]

Since this PR is being pointed at staging, the changelog should be updated directly instead of having a changeset