Interrapt G25

Steps to reproduced:
1.Click on 'Attendees'
2.Click on 'Create' button
3.Fill in the name field with other special characters like (@,&)
4.Click on 'Create' button

Expected result:
-The "Name" field should accept only the required special characters
-Warning message under field
-Attendees should not be created

Actual result:
-The "Name" field is accepting special characters like (@,&)
-There is no field validation
-Attendees has been created

Browser:
-Windows 10
-Google Chrome Version 115.0.5790.173