BuildView: Search item with needed data when navigate in error list

Summary:
When you click on some additional hint of an error happens without this
patch nothing, with this patch is jumped to the line in the source which
the error caused.

Furthermore move Prev/Next action now to next/prev error and not only next/prev item

Reviewers: #kate, sars

Subscribers: ngraham, kwrite-devel, #kate

Tags: #kate

Differential Revision: https://phabricator.kde.org/D17602