PoC: Deployment Approval Rules setting UI

What does this MR do and why?

This MR demonstrates the following features:

• Group-level protected environments Setting UI
• Deployment Approval Rules in Group-level protected environments setting UI
• Fix Deployment Approval popup to support Multiple approval rules

Related #325249 (closed)

Potential follow-up

• #338457 (closed) should be resolved for showing manual deployments.
• Support Approval Rules in Deployment Approval UI

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MR acceptance checklist

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