Return true for PlatformDection.IsMonoInterpreter on WASM (dotnet/run…

…time#38768)

The property only checked for the `MONO_ENV_OPTIONS=--interpreter` env var which isn't set on WebAssembly.

This needed an arcade fix to correct an inverted condition in the ActiveIssue discoverer: dotnet/arcade#5744

Commit migrated from dotnet/runtime@4aea0a1

src/System.Drawing.Common/tests/AssemblyInfo.cs

@@ -5,4 +5,4 @@
 using System;
 using Xunit;
 
-[assembly: ActiveIssue("https://github.com/dotnet/runtime/issues/35917", typeof(PlatformDetection), nameof(PlatformDetection.IsNotMonoInterpreter))]
+[assembly: ActiveIssue("https://github.com/dotnet/runtime/issues/35917", typeof(PlatformDetection), nameof(PlatformDetection.IsMonoInterpreter))]