fix: [DI-28200] - Fix for the volume contextual view dimension filter bug fix and group by default selection retention

[venkymano-akamai]

Description 📝

In the volume contextual view, the linode dimension filter doesn't show any values. Also in the metrics centralized view and contextual view, the default group by is not selected while switching between dashboards

Changes 🔄

1. Fix for linode dimension filter value not shown in volume contextual view.
2. Fix for default group by being not selected while switching between dashboards.

Scope 🚢

Upon production release, changes in this PR will be visible to:

• All customers
• Some customers (e.g. in Beta or Limited Availability)
• No customers / Not applicable

Target release date 🗓️

28-11-2025 on develop branch

Preview 📷

Include a screenshot <img src="" /> or video <video src="" /> of the change.

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💡 For changes requiring multiple steps to validate, prefer a video for clarity.

Bug and Fix explained

group_by_fix_with_audio.webm

How to test 🧪

1. Login into cloud manager and Navigate to Monitor and then to metrics for the group by fix (explanation in video)
2. Also navigate to volumes and Metrics tab for volume contextual view.

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 tests and CI checks are passing
• TypeScript compilation succeeded without errors
• Code passes all linting rules

[linode-gh-bot]

Cloud Manager UI test results

🔺 1 failing test on test run #8 ↗︎

❌ Failing	✅ Passing	↪️ Skipped	🕐 Duration
1 Failing	861 Passing	11 Skipped	40m 46s

Details

Failing Tests
	Spec	Test
❌	clone-linode.spec.ts	Cloud Manager Cypress Tests→clone linode » can clone a Linode from Linode details page

Troubleshooting

Use this command to re-run the failing tests:

pnpm cy:run -s "cypress/e2e/core/linodes/clone-linode.spec.ts"

[venkymano-akamai]

Merging this, since it is a very small PR, have approvals , jobs pass, and cypress failure is unrelated