Translate IAP errors

[cyl3x]

Currently, we extract the error details to have a text to display. This should change by translating the error code on our own.

[cyl3x]

ExtensionStoreException.json

Meaning	ShopwarePlatformException	CloudAdminException
Forbidden	ShopwarePlatformException-46	CloudAdminException-1
Invalid data / Request data invalid	ShopwarePlatformException-32	CloudAdminException-2
Invalid net promoter score	ShopwarePlatformException-49	CloudAdminException-12
App secret is null	ShopwarePlatformException-50	CloudAdminException-19
Download not allowed (domain/shop)	ShopwarePlatformException-13	CloudAdminException-20
Binary not found	ShopwarePlatformException-14	CloudAdminException-21
Plugin / Extension not found	ShopwarePlatformException-12	CloudAdminException-16
Invalid in-app feature	ShopwarePlatformException-87	CloudAdminException-42
In-app feature not found	ShopwarePlatformException-88	CloudAdminException-43
In-app feature already purchased	ShopwarePlatformException-89	CloudAdminException-44
In-app feature not purchasable	ShopwarePlatformException-90	CloudAdminException-45
In-app feature subscription change not allowed	ShopwarePlatformException-91	CloudAdminException-49
In-app feature already pending downgrade	ShopwarePlatformException-92	CloudAdminException-51
Invalid order	ShopwarePlatformException-93	CloudAdminException-46
Insufficient balance	ShopwarePlatformException-94	CloudAdminException-47
GTC not accepted	ShopwarePlatformException-95	CloudAdminException-48
In-app license not found	ShopwarePlatformException-96	CloudAdminException-50