Add the Persistent Storage settings back to the Favorites submenu

refs #17803

config/chroot_local-includes/etc/dconf/db/local.d/00_Tails_defaults

@@ -71,7 +71,7 @@ sleep-inactive-battery-type ='nothing'
 
 [org/gnome/shell]
 enabled-extensions = ['apps-menu@gnome-shell-extensions.gcampax.github.com', 'places-menu@gnome-shell-extensions.gcampax.github.com', 'window-list@gnome-shell-extensions.gcampax.github.com', 'TopIcons@phocean.net', 'status-menu-helper@tails.boum.org', 'torstatus@tails.boum.org', 'desktop-icons@csoriano']
-favorite-apps=['tor-browser.desktop', 'tca.desktop', 'tps-frontend.desktop', 'tails-documentation.desktop', 'whisperback.desktop', 'tails-installer.desktop', 'thunderbird.desktop', 'org.keepassxc.KeePassXC.desktop', 'pidgin.desktop', 'org.gnome.Nautilus.desktop']
+favorite-apps=['tor-browser.desktop', 'tca.desktop', 'org.boum.tails.PersistentStorage.desktop', 'tails-documentation.desktop', 'whisperback.desktop', 'tails-installer.desktop', 'thunderbird.desktop', 'org.keepassxc.KeePassXC.desktop', 'pidgin.desktop', 'org.gnome.Nautilus.desktop']
 
 [org/gnome/shell/extensions/desktop-icons]
 icon-size='small'