[Bugs] #4905 Sugar NORM: Display icon invisible

[Sugar Labs Bugs]

#4905: Display icon invisible
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       Reporter:  SAMdroid  |       Owner:
           Type:  defect    |      Status:  new
       Priority:  Normal    |   Milestone:  Unspecified
      Component:  Sugar     |     Version:  Unspecified
       Severity:  Minor     |    Keywords:
Distribution/OS:  OLPC      |  Bug Status:  Unconfirmed
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 The display icon in the frame takes up space and is clickable, however it
 is invisible!

 Tested on xo4 with olpc os 14 and sugar 0.107.0.olpc.

 From the log:  "No icon with the name brightness-100 was found in the
 theme"

 Please see the picture attached.

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Ticket URL: <https://bugs.sugarlabs.org/ticket/4905>
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