Move electrical profile set id from timetable to scenario

[Castavo]

Warning

For editoast please review only the first commit

The timetable model gets a ton of changes in editoast because the ModelV2 derive does not handle struct with only primary keys.
Indeed, the derive creates a TimetableV2Changeset struct, with no fields, and a struct with no field can not derive AsChangeset and Insertable from diesel.
With @leovalais we checked the following solutions:

• implementing the diesel traits manually on TimetableV2Changeset: impossible due to the way they're made
• update the derive so in the case there are only primary keys in the struct, we do not rely on a TimetableV2Changeset struct: this would complexify the derive a lot for a single and simple use, we deemed it overkill.
• updating the derive so that you could pick which parts of the CRUD you wish to be automatically derived: most desirable but very havy in resources, should come at some point
• implementing the ModelV2 traits manually: the solution we selected.

I removed the timetable listing endpoint because it was unused, because the List trait required the struct to be a Model (which it isn't anymore), and because a list of only ids did not seem very exploitable...

[flomonster]

Great PR. Not tested yet (waiting to be ready for review)

[younesschrifi]

LGTM For editoast part :)

[codecov-commenter]

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Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.49%. Comparing base (9f8d246) to head (fe27f60).
Report is 2 commits behind head on dev.

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Additional details and impacted files

@@              Coverage Diff              @@
##                dev    #8167       +/-   ##
=============================================
+ Coverage     27.25%   87.49%   +60.23%     
=============================================
  Files          1310       31     -1279     
  Lines        157453     1535   -155918     
  Branches       3259        0     -3259     
=============================================
- Hits          42915     1343    -41572     
+ Misses       112557      192   -112365     
+ Partials       1981        0     -1981     

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[Wadjetz]

LGTM

[flomonster]

LGTM, (tested + reviewed)

[leovalais]

LGTM, not tested. An issue tracking the problem with ModelV2 is opened here: #8111

[shenriotpro]

OK for tests/

[SharglutDev]

Thank you for this nice PR, left some comments (mostly for syntax and front good practices)

[SharglutDev]

Thank you for the changes, one issue left

[emersion]

Note to self: we're now passing the electrical set ID as query param in requests because a single timetable might be used from multiple scenarii.

[emersion]

Apart from these minor comments, looks good!

[SharglutDev]

Lgtm and tested, great job :)