test: [M3-8155,M3-8154] - Add tests for longview client rename and deletion

[AzureLatte]

Description 📝

Add Cypress integration tests using mock API data to confirm the UI flow when a user renames or deletes a Longview client in Cloud Manager.

Changes 🔄

• Add new tests in e2e longview.spec.ts
• Add new intercepts functions in longview.ts

How to test 🧪

yarn cy:run -s "cypress/e2e/core/longview/longview.spec.ts”

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[github-actions]

Coverage Report: ✅
Base Coverage: 82.31%
Current Coverage: 82.31%

[mjac0bs]

Thanks @AzureLatte, the test cases covered the expected UI interactions and passed reliably.

I left a couple of nits about the client objects generated from factories.

[hana-akamai]

Tests passed ✅