Fix CodeCompletion of Strongly Typed Enum
Summary: BUG: 375635
Reviewers: nalvarez, KDevelop, kfunk, mwolff
Reviewed By: KDevelop, mwolff
Subscribers: mwolff, kdevelop-devel
Tags: KDevelop
Differential Revision: https://phabricator.kde.org/D10738