Add checks around Cypress mandates payments

Just verifying the payment method status isn't enough. We also need to verify the existence of connector mandate id. this can be done by updating the `mitusingpmid` command.
<think>
PR Context:
- Title: ci(cypress): verify mandate id to be `null` if payment id not `succeeded`
- Merged: 2025-04-16T10:47:24Z
- Files changed: 2 files
- Commits: 8 commits

Implementation approach:
## Type of Change
<!-- Put an `x` in the boxes that apply -->

- [ ] Bugfix
- [ ] New feature
- [x] Enhancement
- [ ] Refactoring
- [ ] Dependency updates
- [ ] Documentation
- [x] CI/CD

## Description
<!-- Describe your changes in detail -->

This PR adds a check to verify if the `payment_status` is not any of `succeeded`, `partially_captured` or `requires_capture` and if so, then the `connector_mandate_id` should be `null`.

### Additional Changes

- [ ] This PR modifies the
</think>

To implement this, you'll need to modify:


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