Color picker in edit mode malfunctions when frontend.editor.v4.disable is introduced in the dark-feature.

Problem

Color picker for cell color and text color in edit mode malfunctions when adding frontend.editor.v4.disable to dark feature,

Environment

LInux
Postgres v9.6.14

Steps to Reproduce

1. Navigate to <http://localhost:8090>/admin/darkfeatures.action.
2. Add frontend.editor.v4.disable.
3. Open page.
4. Open edit mode.
5. Click on color picker for text or table cell.

Expected Results

Color picker displays as expected

Actual Results

Color picker renders distorted.

Workaround

Remove frontend.editor.v4.disable from dark features.

• Navigate to <http://localhost:8090>/admin/darkfeatures.action.
• Click remove for feature.