Creating an area with only weird characters breaks the front

[MartinBelthle]

Description

When creating an area with only weird characters such as %, the front is broken : it only shows a white screen.

Steps to Reproduce

1. Create a study
2. Create a new area named "%%%"
3. See that you broke the view

Expected Behavior

It shouldn't be possible to create an area with such a name and a red pop up should appear on the bottom left of the screen

Environment

• Production
• Staging

[MartinBelthle]

This issue will be treated in 2 phases:
1- Forbid such area creation in the back office : fix/create-a-study-with-forbidden-character-is-now-impossible
2- Forbid such creation in the front office or raise a pop up when the exception is caught in the back office.