Make encryption info available while not paired

Summary:
BUG:385796
 Make encryption info available while there is no device paired. Previously, the menu option to show it was hidden when not connected.

Reviewers: #kde_connect, mtijink

Reviewed By: #kde_connect, mtijink

Subscribers: mtijink, #kde_connect

Tags: #kde_connect

Maniphest Tasks: T7212

Differential Revision: https://phabricator.kde.org/D10841