editoast: add trigger for search_scenario table population

[EthanPERRUZZA]

fixes : https://github.com/OpenRailAssociation/osrd/issues/8612#issue-2494431637

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 39.61%. Comparing base (2449281) to head (20be4f3). Report is 98 commits behind head on dev.

Files with missing lines	Patch %	Lines
editoast/editoast_models/src/tables.rs	0.00%	1 Missing :warning:

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Additional details and impacted files

@@             Coverage Diff              @@
##                dev    #9484      +/-   ##
============================================
- Coverage     39.65%   39.61%   -0.05%     
  Complexity     2270     2270              
============================================
  Files          1300     1300              
  Lines         99008    99167     +159     
  Branches       3282     3283       +1     
============================================
+ Hits          39265    39285      +20     
- Misses        57812    57949     +137     
- Partials       1931     1933       +2     

Flag	Coverage Δ
core	75.06% <ø> (+0.06%)	:arrow_up:
editoast	73.27% <0.00%> (+0.03%)	:arrow_up:
front	10.23% <ø> (-0.02%)	:arrow_down:
gateway	2.19% <ø> (-0.31%)	:arrow_down:
osrdyne	3.28% <ø> (-0.01%)	:arrow_down:
railjson_generator	87.49% <ø> (ø)
tests	86.71% <ø> (ø)

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