'Show colored bars' - colors are wrong when turned off

Submitted by Maniaxx

Assigned to Fabian Nowak @timystery

Link to original bug (#14762)

Description

When turning off 'Show colored bars' 1 out of 3 color pattern might show up randomly (no change, the correct one or a faulty one). The 'on' mode seems to work reliably though. Just click the box several times and watch the bars. If the bug doesn't occur on your side i can create a screencast for demonstration.

1.3.1git-4a422179