Color is not selected on first try for Color type cell

Found issue:

Selecting color for Model Editor color type cell does not work on first try, but user needs to click twice to get the color assigned.

Steps to reproduce:

• Create new model
• Add a column of type Color
• Click on this are to select the color

• -> Color briefly shows in the cell, but does not stay
• Click again to select a color
• -> Color now correctly visible in color cell