Interrapt G24

Environment:
Browser - Google Chrome, Version: 114.0.5735.110
OS: Windows 11

Description:

A user can alter his own information by simply clicking twice on the "First Name" When clicking on the Edit function the previous name still remains, if not updated in the Edit Function, by pressing back the current altered information are still displayed

Pre-condtion : Navigate to https://qainterrapt.brainster.xyz/login

Steps to Reproduce
1. Log in
2.Click on Attendees
3.Double Click on Attendee First Name (Nina Karovska)
4.Change First Name
5.Open Edit Function next to the Attendee
6.Confirm which name is in the First Name field
7.Press the Back Button
8.Confirm which name is in the First Name field

Expected Result:
The user should not be able to alter his own information without accessing the Edit function
Actual Result:
The user can Edit the information without accessing the Edit Function, a 500 error server pops up on the screen. When clicking on the edit function the First name is not updated, the previous name is stil in the Edit.