Have item in popup box already selected for faster keyboard navigation

There are certain popup boxes where if the item was already selected it would be more convenient for keyboard navigation.

# Template selection popup

When selecting a template to insert, this pop up box shows:

It would be helpful if the dropdown box was already highlighted:

I could of course just press Tab but this saves me a keypress. Maybe this entire pop up box could be redesigned so it is more keyboard friendly but this would be a start.

# Custom variables popup

If using custom variables in the template, this popup box shows up to input the value:

Would be helpful if the text box is already highlighted like so:

This way I can start typing without having to press Tab first.