feat: revamp global cluster env

[arunjaindev]

Description

Please include a summary of the change and which issue is fixed. Please also include relevant motivation and context. List any dependencies that are required for this change.

Fixes https://github.com/devtron-labs/sprint-tasks/issues/2425

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Test A
• Test B

Checklist:

• The title of the PR states what changed and the related issues number (used for the release note).
• Does this PR require documentation updates?
• I've updated documentation as required by this PR.
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas

[github-actions]

Some linked issues are invalid. Please update the issue links:\nIssue # in is not found or invalid (HTTP 404).\n

[github-actions]

Some linked issues are invalid. Please update the issue links:\nIssue #2425 in devtron-labs/sprint-tasks is not found or invalid (HTTP 502).\n

[sonarqubecloud]

Quality Gate failed

Failed conditions
B Reliability Rating on New Code (required ≥ A)

See analysis details on SonarQube Cloud

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