Add missing globals to reset on reconnect

These were recently added and not reset
on reconnect.

Pick-to: 6.6
Change-Id: I3b030154447662c9b9fde9b44cbea994333d464c
Reviewed-by: David Edmundson <davidedmundson@kde.org>

src/plugins/platforms/wayland/qwaylanddisplay.cpp

@@ -451,6 +451,8 @@ void QWaylandDisplay::reconnect()
     mXdgOutputManager.reset();
     mViewporter.reset();
     mFractionalScaleManager.reset();
+    mCursorShapeManager.reset();
+    mXdgToplevelDragManager.reset();
 
     mWaylandIntegration->reset();