Rental-related delivery documents now include the customer's reference from the sales order line. This makes it easier for teams and customers to match pickings with their own ordering or tracking information.

Task-3570382

The Field Service Gantt view popover now uses clearer wording by showing “Worksheet Template” instead of “Template.” It also displays the customer’s phone number when available, helping teams quickly contact customers from the schedule view.

Steps:
- Install field service.
- Go to gantt view.
- Click on one of the pill.

Improvement:
- Change `Template` to `Worksheet Template`.
- Show partner's phone if set.

task-3619652

Adds broader automated checks for SEPA payment file variants, including country-specific formats such as Swiss and Swedish versions. This helps ensure upcoming payment processing changes keep producing correct bank files and reduces regression risk.

The test coverage for account_sepa wasn't ideal, especially for the ISO20022 variants, such as the Swiss or Swedish ones.

This commit adds tests which will be useful to assert that the incoming account_sepa refactor behaves as intended.

Linked to 3472908

This update removes redundant code from the subscription module that was accidentally duplicated during a recent update. By eliminating this duplicate method, the code is cleaner and easier to maintain without affecting any customer-facing functionality.