code monitors: add toggle to include results

Created by: limitedmage

⚠️ Blocked on #31580 (closed), don't merge this PR until that work item is completed.

Fixes #31265 (closed)

Recommend reviewing by commit since there was some refactoring needed to consolidated some duplicated code for test messages into ActionEditor.tsx.

Screenshots

Test plan

• Unit tests in Jest for behavior
• Storybook tests for visuals

App preview:

• Link

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