P: Color Mixer Expanding Issues.

Hi,

    My Photoshop Version : CC2021 21.1.1

        Camera Raw Version : 13.1.0.658

  Issues : Color Mixer is not Expanding.

Details:

     Color Mixer could not expand and automatically collapse when 'Edit panel behavior' option is changed to 'Responsive' in Preferences if Color Mixer mode is 'ALL'.

Here is the Video