front: changing a convoy value prevents it from being autofilled for all future rolling stock change

[eckter]

What happened?

I set a value for convoy max speed. I then changed rolling stock, and the value remained. There wasn't any way to know the actual expected rolling stock max speed, or to reset it in any way. The only solution was refreshing the page and losing everything.

What did you expect to happen?

I expected all values to be updated when changing rolling stock.

At least, I thought that deleting the value entirely would reset it.

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

Set a max speed value and change rolling stock.

On which environments the bug occurs?

Local, Other

On which browser the bug occurs?

Firefox

OSRD version (top right corner Account button > Informations)

ef6e28e

[eckter]

See https://github.com/osrd-project/osrd-confidential/issues/903

[Wadjetz]

It will be fixed by #10447