
Update the layout of the ShellMountPasswordDialog dialog according to the new dialog design: - Center-align all the elements of the dialog - Align the work-spinner to the right (or left with RTL layouts) of the password entry - Show the entry-labels as hint text of the entry See https://gitlab.gnome.org/GNOME/gnome-shell/issues/1343 https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/942