fix disabled monochrome contents for no background

Authored by mvourlakos on Sep 1 2018, 7:59 AM.

Description

fix disabled monochrome contents for no background

--when the user had chosen monochrome contents and had
disabled the panel background totally the case wasnt
activating monochrome contents when needed

(cherry picked from commit fc8a531837f835b421465a9d5369e505c6024020)

Details

Committed
mvourlakosSep 1 2018, 8:01 AM
Parents
R878:a5a20c0af7ea: consider preferredSize(s) only for >0 values
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