This is to track all the issues surrounding the terminal switcher for the August iteration.

• move keyboard focus Terminal Switcher should move keyboard focus #32149
• add create new terminal option Terminal quickpick should have a "Create new terminal" option #31949
• add kill terminal actionbar item to entries Add Kill Terminal Option to Terminal Quick Pick #32160 and Fix dangling active terminal on delete #32161
• fix tab focus for action items Terminal Switcher: Rename should be reachable with first tab #31835
• fix focus on arrow keys Terminal Switcher closes on Arrow key #31836
• fix spacing between actionbar icons