Ignore outputOnly QWindows for pointer and touch events

Summary:
The idea is to be output only, so also ignore for pointer and touch.
This is similar to the previous commit for keyboard events.

BUG: 386954

Reviewers: #kwin, #plasma

Subscribers: plasma-devel, kwin

Tags: #plasma

Differential Revision: https://phabricator.kde.org/D9647

input.cpp

@@ -2156,6 +2156,9 @@ void InputDeviceHandler::updateInternalWindow(const QPointF &pos)
                     if (!mask.isEmpty() && !mask.contains(pos.toPoint())) {
                         continue;
                     }
+                    if (w->property("outputOnly").toBool()) {
+                        continue;
+                    }
                     m_internalWindow = QPointer<QWindow>(w);
                     found = true;
                     break;