Resolve "[Structure] A la création, on peut cliquer sur Suivant sans avoir choisi le wifi"

Related to #460 (closed)

Describe in detail what your merge request does and why.

These are strongly recommended to assist reviewers and reduce the time to merge your change.

List all steps to set up and validate the changes on local environment.

To be completed by the chosen reviewer.

For the code that this change impacts, I believe that the automated tests validate functionality that is highly important to users. If the existing automated tests do not cover this functionality, I have added the necessary additional tests or I have added an issue to describe the automation testing gap and linked it to this MR.
I have made sure that the sonar quality coverage is up to standards.
I have considered the impact of this change on the front-end, back-end, and database portions of the system where appropriate and applied.
I have tested this MR in all supported browsers or determined that this testing is not needed.
I have confirmed that this change is backwards compatible across updates (migrate up needs a migrate down), or I have decided that this does not apply.

I am confident that this MR does not harm performance, or I have asked a reviewer to help assess the performance impact.
I have considered the scalability risk based on future predicted growth.

The MR is named after the desired squash commit to feed the changelog linked to the current milestone.
I have added/updated documentation (also updated if the changes feature a deprecation) or I have decided that documentation changes are not needed for this MR.