Issue:
[BUG] Fix postman collections

- [x] NMI: Scenarios 10 and 11 are run before 1
- [x] Bluesnap: Inconsistency of payment method being saved in saved card flow
- [x] Checkout: Inconsistency of payment method being saved in saved card flow
- [x]Adyen: Inconsistency of payment method being saved in saved card flow

## Solution

- Remove `Copy` in Scenarios 10 and 11 form `.meta.json` to match with actual folder names
- Set `random_number` in `pre_request.js` for Bluesnap connector to make `customer_id` unique

Resolution:
<think>
PR Context:
- Title: ci(postman): adyen collection save card flow make `customer_id` properly dynamic
- Merged: 2024-03-14T07:45:44Z
- Files changed: 13 files
- Commits: 8 commits

Implementation approach:
<!-- Put an `x` in the boxes that apply -->

- [x] Bugfix
- [ ] New feature
- [ ] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [x] CI/CD

## Description
<!-- Describe your changes in detail -->

This PR makes Adyen Saved card flow CI use dynamic `customer_id` properly. Similar to #4071.

Also, this PR fixes a minor inconsistency w.r.t #4071. The reason why #4071 worked as expected for Bluesnap and Checkout is that alphabetically `event.prereuqest.js
</think>

To implement this, you'll need to modify:


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