Roslyn analyzer warnings are reported for suppressed rules when compiling scripts in a fresh project

How to reproduce:

1. Delete the Library folder in attached "IN-145420_RoslynAnalyzers.zip" project
2. Open project
3. Wait for the initial domain reload/script compilation to finish
4. Observe the Console

Actual result: Two Roslyn analyzer warnings for the “ToLower” method are reported in the Console (one for InternalScript.cs and one for ExternalScript.cs)
Expected result: One Roslyn analyzer warning for the “ToLower” method is reported in the Console (only for InternalScript.cs)

Reproducible with: 6000.0.0f1, 6000.0.77f1, 6000.3.18f1, 6000.4.11f1, 6000.5.0f1, 6000.6.0a7

Reproducible on: Windows 11, macOS 26.5 (by user)
Not reproducible on: No other environments tested