QoL Feature: New workspace from branch: Cursor in input

[goela268]

This is a idea for a very small QoL feature:

When you instantiate a new workspace from a branch:

this modal opens:

The shown input should be immediately focused after displaying the modal. As said, small QoL idea, but I encountered this so often now that the feature would have saved me a whopping 10 seconds of my life time. Hence why I took the 3 minutes to write this.