馃崚 kcms/touchpad: remove extra padding from QtWidgets wrapper layout
This KCM wraps the QML-provided content in a QtWidgets-provided box layout. Those include 6px padding by default, but we don't want it here since the QML code brings its own. Let's turn it off.
BUG: 493994 FIXED-IN: 6.2.1
(cherry picked from commit af302b74)
Co-authored-by: Nate Graham nate@kde.org