Remove color picker auto-scroll

[atrovato]

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Description of change

Remove color picker auto scroll

According to:
https://community.gladysassistant.com/t/retour-gladys-v4-0-4-dev-color-picker/5989?u=alextrovato

[codecov]

Codecov Report

Merging #1066 (86b933c) into master (bfaf778) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1066   +/-   ##
=======================================
  Coverage   95.22%   95.22%           
=======================================
  Files         525      525           
  Lines        6968     6968           
=======================================
  Hits         6635     6635           
  Misses        333      333           

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[Pierre-Gilles]

Thanks for this!