Blueprint with Audio Curve Source shows "Uses experimental class: Actor" message in Details

A blueprint containing an Audio Curve Source component will have the the warning "Uses experimental class: Actor ", rather than AudioCurveSourceComponent in the Details panel.

This occurs when it's in the level. If you look in the blueprint editor, it looks correct.

1. Open QAGame in editor.
2. Create a new actor blueprint and open it.
3. Add an Audio Curve Source component to the blueprint.
4. Compile.
5. Add the blueprint to the level.

RESULT

In the Details panel, there will be a warning reading "Uses experimental class: Actor".

EXPECTED

The warning should read "Uses experimental class: AudioCurveSourceComponent"