[kde-cli-tools] Add search ellipsis to label, make label more consistent with HIG
Summary: This patch renames the label "Find file type or filename pattern" to "Search for file type or filename pattern..."
Reviewers: VDG, Plasma, plasma-devel, ngraham
Reviewed By: VDG, ngraham
Subscribers: ngraham, apol, plasma-devel
Tags: Plasma
Maniphest Tasks: T10258
Differential Revision: https://phabricator.kde.org/D18044