Properly handle move during touch events
Summary:
When a window was being moved the touch handling performed the wrong
interaction. Due to that it was possible to move the window, but KWin
did not enter the correct code paths, thus quick tiling was for example
not functional.
BUG: 390113
FIXED-IN: 5.12.3
Test Plan: New test case added and manual test in nested KWin
Subscribers: plasma-devel, kwin
Tags: Plasma
Differential Revision: https://phabricator.kde.org/D10431