front: import opendata: correct data format

[nicolaswurtz]

No description provided.

[codecov]

Codecov Report

Merging #4850 (8d28123) into dev (9e1fa0d) will increase coverage by 0.50%.
Report is 4 commits behind head on dev.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##                dev    #4850      +/-   ##
============================================
+ Coverage     21.35%   21.86%   +0.50%     
  Complexity     2248     2248              
============================================
  Files           876      856      -20     
  Lines         92109    89991    -2118     
  Branches       2304     2284      -20     
============================================
+ Hits          19673    19674       +1     
+ Misses        71155    69056    -2099     
+ Partials       1281     1261      -20     

Flag	Coverage Δ
front	9.70% <0.00%> (+0.27%)	⬆️

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

Files Changed	Coverage Δ
.../ImportTrainSchedule/ImportTrainScheduleConfig.tsx	0.00% <0.00%> (ø)

... and 38 files with indirect coverage changes

[clarani]

LGTM, tested in local and the import works well ✔️