[Issue] [MFTF] Refactoring of AdminConfigDefaultProductLayoutFromConfigurationSettingTest

[m2-assistant]

This issue is automatically created based on existing pull request: #30850: [MFTF] Refactoring of AdminConfigDefaultProductLayoutFromConfigurationSettingTest

---

Description (*)

The test is refactored according to the best practices followed by MFTF.

Manual testing scenarios (*)

1. Go to Admin->Stores->Configuration->General->Web->Default layouts
2. Set Default Product Layout to "3 column" and sve changes
3. Start creating a new simple product
4. Check if Design->Layout is "3 column"