Interrapt G26

Description: The user is able to create a Webinar when the title is shorter than the minimum required characters (5)

Steps to reproduce:
1. Open https://qainterrapt.brainster.xyz/login
2. Enter valid credentials
3. Click "Webinars"
4. Click on the "CREATE" button to check if it redirects to the "Webinars Creator" form
5. Fill the "Title" field with 4 characters
6. Fill all other fields with valid characters
7. Click on the "Create" button

Expected result: An error message: "The title must be at least 5 characters." should appear below the "Title" field

Actual result: A message: "Webinar has been created successfully" appears in the right upper corner and new webinar is created