VSTHRD004 fires for SwitchToMainThreadAsync().NoThrowAwaitable()

[sharwell]

Bug description

VSTHRD004 doesn't recognize the NoThrowAwaitable extension added in #1194.

Repro steps

await jtf.SwitchToMainThreadAsync(cancellationToken).NoThrowAwaitable();

Expected behavior

No warning reported

Actual behavior

VSTHRD004 reported

• Version used: 17.7.30
• Application (if applicable): Visual Studio

Additional context

Add any other context about the problem here.