More Visual Studio and WinUI3 issues, September 2025 version

I'm getting closer to releasing my next app (tentatively called "Simple Exporter for Bing Maps Collections"), I'm running into more silly issues with both Visual Studio 2022 and with the WinUI3 toolkit. Error box fit-and-finish Let's start with terrible fit-and-finish. This is the "Error" list that Visual Studio 2022 shows to help consolidate all errors. Take a look in particular at the column…