Fix node heatmap not updating

[timotheeguerin]

fix #1162

[codecov]

Codecov Report

Merging #1163 into master will decrease coverage by <.01%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master    #1163      +/-   ##
==========================================
- Coverage   53.67%   53.66%   -0.01%     
==========================================
  Files         931      931              
  Lines       20950    20951       +1     
  Branches     2331     2331              
==========================================
  Hits        11244    11244              
- Misses       9706     9707       +1

Impacted Files	Coverage Δ
...pp/components/pool/graphs/pool-graphs.component.ts	30.9% <0%> (-0.29%)	⬇️

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