Inaccurate error suggestion from provision error.

Service is returning service unavailable and azd is saying there is another resource with the same name:

```
ERROR: A resource with this name already exists or is in a conflicting state.

Suggestion: Check for existing or soft-deleted resources in the Azure portal.

deployment failed: step "provision-layer-0" failed: deploying layer provision-layer-0: error deploying infrastructure: deploying to subscription:

Deployment Error Details:
ServiceUnavailable: Database account creation failed. Operation Id: abb385d8-0f93-4b56-a7ea-fabe999f4966, Error : Message: {"code":"ServiceUnavailable","message":"Sorry, we are currently experiencing high demand in South Central US region for the zonal redundant (Availability Zones) accounts, and cannot fulfill your request at this time Wed, 29 Apr 2026 23:43:40 GMT. To request region access for your subscription, please follow this link https://aka.ms/cosmosdbquota for more details on how to create a region access request.\r\nActivityId: 6de68081-1574-4dd8-900a-4be8b9ffbe3c, Microsoft.Azure.Documents.Common/2.14.0"}, Request URI: /serviceReservation, RequestStats: , SDK: Microsoft.Azure.Documents.Common/2.14.0, Microsoft.Azure.Documents.Common/2.14.0, Microsoft.Azure.Documents.Common/2.14.0, Microsoft.Azure.Documents.Common/2.14.0, Microsoft.Azure.Documents.Common/2.14.0, Microsoft.Azure.Documents.Common/2.14.0, Microsoft.Azure.Documents.Common/2.14.0, Microsoft.Azure.Documents.Common/2.14.0, Microsoft.Azure.Documents.Common/2.14.0, Microsoft.Azure.Documents.Common/2.14.0