Fix bug 374921: Tool view grouping no longer works in 5.1 branch
Summary:
This commit fixes view grouping, broken in D3170 revision.
BUG: 373213
Test Plan: Tested on 5.1 and master branches.
Reviewers: apol, KDevelop, mwolff
Reviewed By: KDevelop, mwolff
Subscribers: mwolff, kdevelop-devel
Differential Revision: https://phabricator.kde.org/D4219