Instruct people to use Tails Installer to create an intermediary Tails instead of GNOME Disks
On /upgrade/tails, step 2. It would mean replacing the inline to install/inc/steps/install_with_gnome_disks.inline with a proper procedure.
Tails Installer has less options and can prevent serious mistakes and data loss.
We should only do this after #16906. Otherwise, we'll incitate USB stick users to download an ISO image and this will cause confusion and problems down the line.
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