Make tapping on a pair notification work again

Summary:
The Simplify pairing from notification patch D16518 broke the functionality that
tapping on the notification provided

This patch makes tapping on the pairing notification work again as expected

Test Plan:
Before applying this patch initiate a pairing from kde
On android tap on the notification (not the action buttons) and notice that nothing happens

Apply the path and repeat the above test. Now the DeviceFragment should be displayed allowing
the the pairing to be accepted or rejected

Reviewers: KDE Connect, nicolasfella

Reviewed By: KDE Connect, nicolasfella

Subscribers: nicolasfella, kdeconnect

Tags: KDE Connect

Differential Revision: https://phabricator.kde.org/D17886