editoast: fix new clippy error

[flomonster]

No description provided.

[codecov]

Codecov Report

Merging #2408 (b8f7345) into dev (0517a18) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##                dev    #2408   +/-   ##
=========================================
  Coverage     80.15%   80.16%           
  Complexity     1650     1650           
=========================================
  Files           237      237           
  Lines          7443     7441    -2     
  Branches        931      931           
=========================================
- Hits           5966     5965    -1     
+ Misses         1143     1142    -1     
  Partials        334      334           

Flag	Coverage Δ
editoast	70.25% <100.00%> (+0.02%)	⬆️

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

Impacted Files	Coverage Δ
editoast/src/generated_data/error/routes.rs	93.33% <100.00%> (+1.74%)	⬆️
editoast/src/generated_data/utils.rs	78.94% <0.00%> (-5.27%)	⬇️

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