front: editor: changing layers requires confirmation

[eckter]

What happened?

In the infra edition, toggling layers requires confirmation before exiting the window. This is inconsistent with the rest of the app, as well as the map layer in the same tab (which doesn't require confirmation).

What did you expect to happen?

Toggling a layer should be effective when exiting the window (or immediately) with no extra click

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

Toggle a layer in the infra edition module and exit the window

What operating system, browser and environment are you using?

• Browser: Firefox
• OS: Ubuntu
• Env: dev

OSRD version (top right corner Account button > Informations)

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