properties-window: don't focus on name field when open

When the properties window is opened, the name field get the focus automaticaly.
The user can accedentily change the file name, so let's prevent the name field from
being automaticaly selected.

Fixes GNOME/nautilus#1805
2 jobs for fixing_#1805 in 11 minutes and 11 seconds
Status Job ID Name Coverage
  Test
passed #1334305
flatpak
flatpak devel

00:11:10

passed #1334306
style check

00:00:34