(Bug) Undo Knocks out previously recorded parameters in specific circumstances

Fixture has CMY parameters recorded in cue.
Change fixture to HSI parameters. Update cue (also works with Merge).
Clear
Undo. Parameters are reselected.
Undo. Color info is knocked out of cue (instead of reverting to previous CMY parameters)

Performs as expected when Updating CMY to CMY parameters and HSI to HSI parameters.