compress-dialog-controller: add password confirmation entry
As described in #3128 (closed), the compress-dialog currently does not ask the user to confirm the password when creating an encrypted archive. This could lead to typos in the password and potentially data loss if the original files are deleted after compression.
This MR adds a password confirmation entry to the compress-dialog, preventing typos and matching the example password entry from the GNOME HIG.
Closes #3128 (closed)
Edited by Eric Daigle