Color Picker closes when selecting color in the Level Details Panel in a Blueprint actor

When an item has the option to open and change a color via the Details panel of the placed Blueprint actor in the world, the color picker will close immediately on changing any one setting.

1. Open blank Project with no starter content
2. Create a Blueprint Actor
3. In the BP Actor, add a point light
4. Compile and Save the BP Actor
5. Place the BP Actor into the level
6. With the Actor selected, in the Details panel select the point light
7. Open the color picker
8. Change any value on the color picker

RESULTS: Color Picker immediately Closes

EXPECTED: The Color Picker remains open until OK or CANCEL is selected.