1.8-experimental 3: Publishing an msix package influences future builds

[lhak]

Describe the bug

After publishing an msix file from Visual Studio, the following property is added to the .csproj.user file:

<UapAppxPackageBuildMode>StoreAndSideload</UapAppxPackageBuildMode>

This causes the creation of an msix package for every future build from Visual Studio in Release mode. Also, publishing an unpackaged app fails. Workaround is to delete the .csproj.user file or just the added property after publishing.

Steps to reproduce the bug

1. Publish an msix package of an app with appsdk 1.8 experimental 3 from Visual Studio
2. Build the app from Visual Studio in Release mode
3. Observe than an msix is unnecessarily created in the process
4. Try to publish as an unpackaged app from Visual Studio
5. Observe that this process fails unless the added option is removed from the .csproj.user file

Expected behavior

No response

Screenshots

No response

NuGet package version

Windows App SDK 1.8 Experimental 2: 1.8.250515001-experimental2

Packaging type

Packaged (MSIX)

Windows version

Windows 11 version 24H2 (22621, October 2024 Update)

IDE

Visual Studio 2022

Additional context

No response