front: spaceTimeChart: display occupancy blocks

[Akctarus]

closes #9365

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 44.89796% with 27 lines in your changes missing coverage. Please review.

Project coverage is 39.06%. Comparing base (74968f6) to head (6a5d578).
Report is 14 commits behind head on dev.

Files with missing lines	Patch %	Lines
...WithSpaceTimeChart/ManchetteWithSpaceTimeChart.tsx	0.00%	17 Missing ⚠️
...ents/ManchetteWithSpaceTimeChart/SettingsPanel.tsx	0.00%	9 Missing ⚠️
front/src/modules/simulationResult/types.ts	0.00%	1 Missing ⚠️

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Additional details and impacted files

@@             Coverage Diff              @@
##                dev    #9366      +/-   ##
============================================
- Coverage     39.06%   39.06%   -0.01%     
  Complexity     2270     2270              
============================================
  Files          1308     1308              
  Lines         99315    99361      +46     
  Branches       3316     3316              
============================================
+ Hits          38800    38813      +13     
- Misses        58550    58583      +33     
  Partials       1965     1965              

Flag	Coverage Δ
core	74.99% <ø> (+<0.01%)	⬆️
editoast	71.87% <ø> (-0.04%)	⬇️
front	10.35% <44.89%> (+0.03%)	⬆️
gateway	2.50% <ø> (ø)
osrdyne	3.29% <ø> (ø)
railjson_generator	87.49% <ø> (ø)
tests	86.71% <ø> (ø)

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[emersion]

@flomonster's comment remains to be fixed: we're still relying on a field meant to be displayed to the user, not something meant to be stable. If we want to merge this quickly, I'd suggest opening a follow-up issue.

[emersion]

Feel free to resolve remaining comments and merge :)