[AspireE2E] Fail to create .NET MAUI for Aspire Service Defaults project with "error NU1015: The following PackageReference item(s) do not have a version specified: Microsoft.Maui.Core".

**REGRESSION INFO:** Also repro on Aspire.ProjectTemplates 13.2

**INSTALL STEPS**
1. Clean machine: Windows11 23h2 x64
1. Install SDK 10.0.103
1. Install Aspire.ProjectTemplate:
`dotnet new install Aspire.ProjectTemplates@13.1.0 --force`
1. install the MAUI workload:
`dotnet workload install maui`

**REPRO STEPS**
1. Open CMD, create an .NET MAUI for Aspire Service Defaults project using following commands:
```
dotnet new maui-aspire-servicedefaults -o aspire1
```

**ACTUAL**
Fail to create project with "error NU1015: The following PackageReference item(s) do not have a version specified: Microsoft.Maui.Core".

**Expect**
The project can created successfully without any errors.

**Note**:
1. If I open the .csproj file and add `true` to the tag, the project can restore successfully.

2. Other Maui template projects (such as .NET MAUI App or .NET MAUI Class Library) include `true` by default.