Missing "Read only" option for persistence in new Greeter

As the attached video shows, the new Greeter doesn’t seem to allow unlocking a persistent volume in read-only mode. Is that by design and on purpose?

Attachments

• 02_25_52_Booting_Tails_from_a_USB_drive_with_an_enabled_persistent_partition_and_reconfiguring_it.mkv

Parent Task: #8230 (closed)

Related issues

• Related to #12055 (closed)
• Related to #12361 (closed)

Original created by @intrigeri on 12093 (Redmine)