launchSettings are ignored when AppDesignerFolder has been defined

### Is there an existing issue for this?

- [x] I have searched the existing issues

### Describe the bug

Currently only the `"Properties"` folder is supported when looking up launchSettings.json files [here](https://github.com/dotnet/aspire/blob/6d7a7f76bea83af647121121a0a59da7f6abec69/src/Shared/LaunchProfiles/LaunchProfileExtensions.cs#L73)

### Expected Behavior

Would be nice to have support for the `AppDesignerFolder` project setting

### Steps To Reproduce

example csproj
```xml

net9.0
Settings

```

### Exceptions (if any)

_No response_

### .NET Version info

.NET SDK:
Version: 9.0.102
Commit: cb83cd4923
Workload version: 9.0.100-manifests.4a54b1a6
MSBuild version: 17.12.18+ed8c6aec5

Runtime Environment:
OS Name: Windows
OS Version: 10.0.22631
OS Platform: Windows
RID: win-x64
Base Path: C:\Program Files\dotnet\sdk\9.0.102\

.NET workloads installed:
[aspire]
Installation Source: VS 17.12.35707.178
Manifest Version: 8.2.2/8.0.100
Manifest Path: C:\Program Files\dotnet\sdk-manifests\8.0.100\microsoft.net.sdk.aspire\8.2.2\WorkloadManifest.json
Install Type: Msi

### Anything else?

_No response_