[Kickoff] Disable tabBar's mouseArea when searching
Summary:
When the root is in the "Search" state, we can safely disable it.
BUG: 401861
Reviewers: Plasma, hein, ngraham, davidedmundson
Reviewed By: Plasma, ngraham, davidedmundson
Subscribers: davidedmundson, ngraham, bugseforuns, dginovker, plasma-devel
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D28985