Type and path faster than light

[nicolaswurtz]

Click on the rocket !!

Small input field to establish path using trigram. Follow instructions to test, but beware, a lot of paths are actually failing.
You can test with OP from screenshots, or try "PLY MSC", "TE AN", "PLY DN".

Limits:

• pathfinding state in above section is not updated with this path search, sorry, it was way too complicated (need rewriting of whole component)
• more than 30/40 trigrams is difficult to display, but who needs (and who knows???) so much trigrams at a time ?

close #4977

[codecov]

Codecov Report

Attention: 235 lines in your changes are missing coverage. Please review.

Comparison is base (9667656) 19.86% compared to head (ae47086) 19.43%.

❗ Current head ae47086 differs from pull request most recent head 53cacb8. Consider uploading reports for the commit 53cacb8 to get more accurate results

Files	Patch %	Lines
front/src/common/Pathfinding/TypeAndPath.tsx	0.00%	179 Missing and 1 partial ⚠️
...ainSchedule/helpers/adjustConfWithTrainToModify.ts	0.00%	21 Missing ⚠️
...onents/ManageTrainSchedule/Itinerary/Itinerary.tsx	0.00%	17 Missing ⚠️
front/src/common/Pathfinding/Pathfinding.tsx	9.09%	10 Missing ⚠️
.../ManageTrainScheduleMap/RenderItineraryMarkers.tsx	0.00%	3 Missing ⚠️
...s/operationalStudies/views/ManageTrainSchedule.tsx	0.00%	2 Missing ⚠️
...rainSchedule/Itinerary/DisplayItinerary/Origin.tsx	0.00%	1 Missing ⚠️
...ents/ManageTrainSchedule/Itinerary/DisplayVias.tsx	0.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##                dev    #5870      +/-   ##
============================================
- Coverage     19.86%   19.43%   -0.43%     
- Complexity     2122     2332     +210     
============================================
  Files           910      909       -1     
  Lines        108401   108164     -237     
  Branches       2649     2637      -12     
============================================
- Hits          21538    21027     -511     
- Misses        85309    85567     +258     
- Partials       1554     1570      +16     

Flag	Coverage Δ
front	8.44% <0.42%> (-0.20%)	⬇️

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[SharglutDev]

Thank you for this great PR ! Left some comments.

Also what's the plan to replace the rocket button for production ? :)

[SharglutDev]

Lgtm and tested :) Great job ! (to be continued for the rocket substitute)