Template blazorwasm-servicedefaults tries to resolve unpublished package

### Is there an existing issue for this?

- [x] I have searched the existing issues

### Describe the bug

Similar to https://github.com/dotnet/aspnetcore/issues/66594.

### Expected Behavior

_No response_

### Steps To Reproduce

1. Install .NET 11 RC1
2. Run `dotnet new blazorwasm-servicedefaults`
3. Observe

```
Restore succeeded with 1 warning(s) in 2.6s
C:\Users\janjones\source\playground\BlazorWasmServiceDefaults\BlazorWasmServiceDefaults.csproj : warning NU1603: BlazorWasmServiceDefaults depends on Microsoft.Extensions.ServiceDiscovery (>= 10.8.3) but Microsoft.Extensions.ServiceDiscovery 10.8.3 was not found. Microsoft.Extensions.ServiceDiscovery 10.9.0 was resolved instead.
Restore succeeded.
```

### Exceptions (if any)

_No response_

### .NET Version

11.0.100-rc.1.26425.128

### Anything else?

_No response_