Fix Problems Highlighter - use problems from all Problem Models
Summary: This patch fixes problems highlighting - at now only problems from Parser are highlighted in the editor, which is wrong behavior. New version uses information about problems from all available models.
Test Plan:
Tested on master branch
All problems from Parser and Valgrind are highlighted:
Reviewers: KDevelop, kfunk
Reviewed By: KDevelop, kfunk
Subscribers: kfunk, kdevelop-devel
Differential Revision: https://phabricator.kde.org/D3164