Improve performances of batch pathfinding and simulation 🚀

[flomonster]

What is done

• Massive reduction of Redis call
• Stop handling the expiration time of Redis entries

close #7913

Benchmark

We are testing two endpoints using batch simulation and pathfinding:

• Simulation summary
• Project path

Tests are performed with everything cached locally. I'm guessing that the gain will be much greater in prod with network overhead.

Before

• Simulation summary: 1120ms
• Project path: 1400ms

After

• Simulation summary: 800ms
• Project path: 950ms

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 1.02041% with 291 lines in your changes missing coverage. Please review.

Project coverage is 28.07%. Comparing base (9dcf2fc) to head (eb59e07).
Report is 1 commits behind head on dev.

Files	Patch %	Lines
editoast/src/views/v2/path/pathfinding.rs	0.00%	127 Missing ⚠️
editoast/src/views/v2/train_schedule.rs	0.00%	117 Missing ⚠️
editoast/src/views/v2/timetable/stdcm.rs	0.00%	22 Missing ⚠️
editoast/src/views/v2/timetable.rs	0.00%	10 Missing ⚠️
editoast/src/core/v2/simulation.rs	25.00%	9 Missing ⚠️
editoast/src/redis_utils.rs	0.00%	2 Missing ⚠️
editoast/src/views/v2/path/properties.rs	0.00%	2 Missing ⚠️
editoast/src/views/v2/train_schedule/projection.rs	0.00%	2 Missing ⚠️

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Additional details and impacted files

@@             Coverage Diff              @@
##                dev    #7995      +/-   ##
============================================
- Coverage     28.07%   28.07%   -0.01%     
  Complexity     2075     2075              
============================================
  Files          1289     1288       -1     
  Lines        157734   157708      -26     
  Branches       3121     3121              
============================================
- Hits          44285    44273      -12     
+ Misses       111572   111558      -14     
  Partials       1877     1877              

Flag	Coverage Δ
core	75.03% <ø> (ø)
editoast	70.87% <1.02%> (+0.02%)	⬆️
front	9.94% <ø> (ø)
gateway	2.34% <ø> (ø)
railjson_generator	87.49% <ø> (ø)
tests	72.93% <ø> (ø)

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[woshilapin]

Nice improvement