Summary:
load() is called a few times and different states. After the change I
also get the warning on a regular load.
This patch returns early whilst we're in the loading state, but still
prints the warning should kactivitymanagerd fail.
Reviewers: #plasma, mart
Reviewed By: #plasma, mart
Subscribers: plasma-devel
Tags: #plasma
Differential Revision: https://phabricator.kde.org/D18922