Interrapt G32

When the user edit the Webinar by entering not existing email with Cyrillic alphabet and click on "Edit" the change is saved
Steps to reproduce:
1.Login to: https://qainterrapt.brainster.xyz/
2.Open Webinar page
3.Click on "Edit" button
4.Click on "Name" filed
5.Fill in the field using Alphabetic characters
6.Click on "Email" filed
7.Enter not existing email with Cyrillic alphabet e-mail address
8.Click on "EDIT" button and observe
Expected result:
Webinar title should accept only existing e-mail address with Latin alphabet
Actual result:
When you edit the Webinar title with not existing email with Cyrillic alphabet showing in the screen “Webinar has been edited successfully”