fix: [DPS-36769] - Filtering clusters by region not working

[mduda-akamai]

Description 📝

In Stream Create and Edit forms in the Clusters table filtering by region resulted in an empty clusters list

Changes 🔄

• Added the ExtendedKubernetesCluster type with an additional regionLabel field and used it in the StreamFormClusters component

Scope 🚢

• Some customers (e.g. in Beta or Limited Availability)

Target release date 🗓️

March 2026

Preview 📷

How to test 🧪

Prerequisites

• Set aclpLogs.enabled flag to true

Reproduction steps

• In logs/delivery/streams/create select Kubernetes API Audit Logs stream type
• Filter clusters list by region

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

• 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

🔺 3 failing tests on test run #2 ↗︎

❌ Failing	✅ Passing	↪️ Skipped	🕐 Duration
3 Failing	877 Passing	11 Skipped	47m 48s

Details

Failing Tests
	Spec	Test
❌	lke-create.spec.ts	Cloud Manager Cypress Tests→LKE Cluster Creation with LKE-E→shows the LKE-E flow with the feature flag on » creates an LKE-E cluster with the account capability
❌	object-storage.e2e.spec.ts	Cloud Manager Cypress Tests→object storage end-to-end tests » can create and delete object storage buckets
❌	smoke-create-domain.spec.ts	Cloud Manager Cypress Tests→Create a Domain » Creates first Domain

Troubleshooting

Use this command to re-run the failing tests:

pnpm cy:run -s "cypress/e2e/core/kubernetes/lke-create.spec.ts,cypress/e2e/core/objectStorage/object-storage.e2e.spec.ts,cypress/e2e/core/domains/smoke-create-domain.spec.ts"

[kagora-akamai]

Code Review ✅
Verification Steps ✅