Issue:
[CI] Update NMI postman collection

Existing NMI postman collection is outdated and needs to be updated to the latest one look after regressions

Resolution:
<think>
PR Context:
- Title: ci(postman): refactor NMI postman collection
- Merged: 2024-02-27T11:18:31Z
- Files changed: 30 files
- Commits: 8 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [ ] Enhancement
- [x] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [x] CI/CD

## Description
<!-- Describe your changes in detail -->
This PR aims at refactoring NMI collection by bringing it back to life. Added more flows to look after regressions.

Closes #3734

### Additional Changes

- [ ] This PR modifies the API contract
- [ ] This PR modifies the database schem
</think>

To implement this, you'll need to modify:


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