Internal: Replace electron require by service injection

[timotheeguerin]

fix #1140

Also removed the electron preprocessor that is causing issues in the test randomly

[codecov]

Codecov Report

Merging #1141 into master will decrease coverage by 0.02%.
The diff coverage is 44.68%.

@@            Coverage Diff             @@
##           master    #1141      +/-   ##
==========================================
- Coverage    53.4%   53.38%   -0.03%     
==========================================
  Files         919      924       +5     
  Lines       20959    21024      +65     
  Branches     2344     2346       +2     
==========================================
+ Hits        11194    11223      +29     
- Misses       9765     9801      +36

Impacted Files	Coverage Δ
src/common/constants/constants.ts	100% <ø> (ø)	⬆️
app/services/index.ts	100% <ø> (ø)	⬆️
src/@batch-flask/ui/electron/shell.service.ts	16.66% <0%> (ø)
...pp/components/pool/graphs/pool-graphs.component.ts	27.11% <0%> (ø)	⬆️
app/utils/constants.ts	100% <100%> (ø)	⬆️
src/@batch-flask/ui/batchui.module.ts	100% <100%> (ø)	⬆️
...ponents/application/details/configuration/index.ts	100% <100%> (ø)
src/@batch-flask/ui/index.ts	100% <100%> (ø)	⬆️
...ents/common/inline-quota/inline-quota.component.ts	19.04% <100%> (+1.3%)	⬆️
...raphs/job-graphs-home/job-graphs-home.component.ts	18% <100%> (+0.82%)	⬆️
... and 42 more

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