message: Add missing toLowerCase
diff: @@ -337,7 +337,7 @@ class DiagnosticsProvider extends AbstractSupport {
  || quickFix.Id == "CS0219" // CS0219: Unused variable
  || quickFix.Id == "CS8019"; // CS8019: Unnecessary using
  - if (isFadeout && ['hidden', 'none'].includes(quickFix.LogLevel)) {
  + if (isFadeout && ['hidden', 'none'].includes(quickFix.LogLevel.toLowerCase())) {
  // Theres no such thing as hidden severity in VSCode,
  // however roslyn uses commonly analyzer with hidden to fade out things.
  // Without this any of those doesn't fade anything in vscode.
  