Interrapt G24

Environment: - Version of OS – iOS 16.5
- Browser – Google Chrome Version 113.0.5672.127 (Official Build)
- Device: Iphone 12 pro
- Navigate to: https://qainterrapt.brainster.xyz/login
Preconditions:
- The user must have registrated account as admin user
- The user must be logged in
Steps to reproduce: 1. Click on hamburger menu displayed on the top left side of the main page.
2. Hover the Webinars field and click on 'Webinars'.
3. Click on green icon for 'Edit' displayed on the right side of the Webinar which need to be edited.
4. Fill in edit 'Webinar' form with valid credentials for 'Title', 'Description', 'Start/End Date', 'Link', 'Image'.
5. Click on 'Mentors' drop-down field and leave it without data.
6. Click on 'Tag' drop-down field and leave it without data.
Expected results:
-User is able to edit Webinar, when for 'Mentors' and 'Tag' drop-down fields select any of created Mentors and Tags.

Actual results:
-User is edited, when 'Mentors' and 'Tag' drop-down field are left without data.