front: fix pending pathfinding message display stuck when selecting new infra

[Yohh]

close #2805

[codecov]

Codecov Report

Merging #2946 (510d735) into dev (7ff3fb1) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

❗ Current head 510d735 differs from pull request most recent head 5f3b1d9. Consider uploading reports for the commit 5f3b1d9 to get more accurate results

@@             Coverage Diff              @@
##                dev    #2946      +/-   ##
============================================
- Coverage     38.30%   38.29%   -0.01%     
  Complexity     1713     1713              
============================================
  Files           600      600              
  Lines         18335    18338       +3     
  Branches       2513     2513              
============================================
  Hits           7023     7023              
- Misses        10906    10909       +3     
  Partials        406      406              

Flag	Coverage Δ
front	4.07% <0.00%> (-0.01%)	⬇️

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

Impacted Files	Coverage Δ
...rc/applications/osrd/views/OSRDConfig/Itinerary.js	0.00% <0.00%> (ø)
front/src/applications/stdcm/Home.js	0.00% <ø> (ø)
.../src/applications/stdcm/views/OSRDCStdcmConfig.tsx	0.00% <0.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.