BF: Fix DotStim updating

[TEParsons]

fixes #4691

[codecov]

Codecov Report

Merging #4694 (a12f728) into release (5660025) will increase coverage by 0.01%.
The diff coverage is 50.00%.

@@             Coverage Diff             @@
##           release    #4694      +/-   ##
===========================================
+ Coverage    45.26%   45.28%   +0.01%     
===========================================
  Files          294      294              
  Lines        58876    58899      +23     
  Branches     10407    10411       +4     
===========================================
+ Hits         26653    26671      +18     
- Misses       29836    29846      +10     
+ Partials      2387     2382       -5     

Impacted Files	Coverage Δ
psychopy/visual/dot.py	78.24% <50.00%> (+5.68%)	⬆️
psychopy/app/jobs.py	35.82% <0.00%> (-1.62%)	⬇️
psychopy/experiment/routines/_base.py	84.61% <0.00%> (-1.25%)	⬇️
psychopy/visual/window.py	62.29% <0.00%> (-0.15%)	⬇️
psychopy/monitors/getLumSeries.py	0.00% <0.00%> (ø)
psychopy/experiment/components/button/__init__.py	86.36% <0.00%> (+0.20%)	⬆️
psychopy/hardware/eyetracker.py	19.19% <0.00%> (+2.17%)	⬆️

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