editoast: add endpoint to retrieve electrical profiles along a path

[Castavo]

This PR can be reviewed commit by commit.

The first commit refactors the catenaries_on_path endpoint so that the functions can be reused for the new and very similar endpoint.
The second adds said endpoint.

[codecov]

Codecov Report

Merging #5328 (254c529) into dev (ad4ac05) will increase coverage by 0.04%.
Report is 6 commits behind head on dev.
The diff coverage is 86.66%.

@@             Coverage Diff              @@
##                dev    #5328      +/-   ##
============================================
+ Coverage     18.84%   18.89%   +0.04%     
  Complexity     2315     2315              
============================================
  Files           851      854       +3     
  Lines        102677   102756      +79     
  Branches       2403     2403              
============================================
+ Hits          19346    19411      +65     
- Misses        81990    82004      +14     
  Partials       1341     1341              

Flag	Coverage Δ
editoast	69.69% <92.85%> (+0.13%)	⬆️
front	7.17% <66.66%> (+0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
editoast/osrd_containers/src/rangemap_utils.rs	100.00% <100.00%> (ø)
editoast/src/converters/utils.rs	88.07% <100.00%> (ø)
editoast/src/infra_cache/mod.rs	76.58% <ø> (ø)
editoast/src/models/pathfinding.rs	100.00% <ø> (ø)
...st/src/models/rolling_stock/light_rolling_stock.rs	100.00% <ø> (ø)
editoast/src/schema/mod.rs	94.52% <100.00%> (+0.49%)	⬆️
editoast/src/schema/route.rs	98.18% <100.00%> (ø)
editoast/src/views/infra/pathfinding.rs	76.19% <100.00%> (ø)
editoast/src/views/mod.rs	98.46% <100.00%> (+0.02%)	⬆️
editoast/src/views/pathfinding/catenaries.rs	97.50% <100.00%> (-1.33%)	⬇️
... and 7 more

... and 2 files with indirect coverage changes

[clarani]

LGTM, tested ✔️

[leovalais]

lgtm