KateViewInternal: Rename getMouse/Cursor() => mouse/cursorPosition() to fit coding style
Reviewers: KTextEditor, cullmann, dhaumann
Reviewed By: KTextEditor, dhaumann
Subscribers: dhaumann, kwrite-devel, kde-frameworks-devel, KTextEditor
Tags: Kate, Frameworks
Differential Revision: https://phabricator.kde.org/D17382