Secret Group Name Allowing Special Characters

[jonneychris]

Issue Description:
Users are able to set a group name using only special characters.

Steps to Reproduce:
1.Create a new group or edit an existing group name.
2.Enter only special characters (e.g., @#$%^&*) as the group name.
3.Save the changes.

Expected Result:
The app should restrict group names that contain special characters

Actual Result:
The group name is successfully saved even when it contains only special characters.