Interrapt G28

By selecting the value "All" from the 'Items per page' drop-down list in the Webinars page, all of the created webinars are displayed, but the drop-down list disappears.

Precondition:
User must be logged in and navigated to: https://qainterrapt.brainster.xyz/login

1. Click on the 'Webinars'
2. Scroll down the page, and click on the 'Items per page' drop-down list
3. Select the value "All"
4. Scroll to the bottom of the page to see the issue

Expected result:
All webinars should be displayed on the list, and the drop-down list should be displayed after each selection.

Actual result:
All webinars are displayed on the page, but the drop-down list dissappears and user cannot choose a different value.