Use QSharedMemory(const QNativeIpcKey &key) constructor to port away
from the deprecated QSharedMemory(const QString &) constructor.
Task-number: QTBUG-108858
Change-Id: I05615100f77f571fe32a3cf627c3df46baaa7f7a
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
(cherry picked from commit 976f30dc5939d887606cc4df33b80f6e9d3563ab)