front: stdcm: origin and destination markers are both at BV and on the wrong track

[axrolld]

What happened?

Tryied to look for a STDCM between BGB BV and BGB P1 but the map is showing both marker at the BV:

And the result was this:

What did you expect to happen?

I'm expecting the markers to be on the right PR and on the right track once the result is found.

How can we reproduce it (as minimally and precisely as possible)?

Reproduce description

On which environments the bug occurs?

Recette (SNCF)

On which browser the bug occurs?

Google Chrome

OSRD version (top right corner Account button > Informations)

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