refactor: replace options calls by appropriate get requests

[SGrueber]

Wait for the GA release of ICM 12.2.1 before this PR can be merged

PR Type

[ ] Bugfix [ ] Feature [ ] Code style update (formatting, local variables) [x] Refactoring (no functional changes, no API changes) [ ] Build-related changes [ ] CI-related changes [ ] Documentation content changes [ ] Application / infrastructure changes [ ] Other:

What Is the Current Behavior?

Options calls are used to fetch the oci punchout configurations as well as the customer payment methods. This is not the way to go anymore and can cause CORS issues if the ICM web adapter is not configured properly.

Issue Number: Closes #

What Is the New Behavior?

Alternative 'get' requests are used to fetch the data mentioned above.

Does this PR Introduce a Breaking Change?

[ ] Yes [x] No

Other Information

Required ICM versions: 11.10.0 and above to fetch the customer payment methods 12.2.1 and above to fetch the oci punchout configuration