ersatztv: disable TreatWarningsAsErrors

Upstream sets TreatWarningsAsErrors=true with AnalysisLevel=latest-Recommended,
which causes build failures when newer SDK versions introduce additional
diagnostics (e.g. CA1873 in .NET 10).

pkgs/by-name/er/ersatztv/package.nix

@@ -32,6 +32,8 @@ buildDotnetModule rec {
     "ErsatzTV.Scanner"
   ];
   nugetDeps = ./nuget-deps.json;
+
+  dotnetFlags = [ "-p:TreatWarningsAsErrors=false" ];
   dotnet-sdk = dotnetCorePackages.sdk_10_0;
   dotnet-runtime = dotnetCorePackages.aspnetcore_10_0;