GitLab

Creates new list from a new label

## What does this MR do?

After creating a new label in the new list dropdown it automatically creates a new list.

## Screenshots (if relevant)

![new-label](/uploads/87940e364dc075ea8cc08d97bc1f1eff/new-label.gif)

## What are the relevant issue numbers?

Closes #23026

See merge request !6744