MSI: Resolve Country and Region view in grid

[naydav]

Create/Update testing scenario to check following functionality.
Source Grid displays region correctly when:

• specified custom region entered manually
• specified region selected from predefined values

[smoskaluk]

https://hiptest.net/app/projects/69435/test-plan/folders/409122/scenarios/1640894
https://hiptest.net/app/projects/69435/test-plan/folders/409122/scenarios/1640994