QVariant is rather big for passing by value; and no caller has any
further use for the QVariant it's passing in.
Pick-to: 6.7 6.5
Task-number: QTBUG-122619
Change-Id: I2751745e715aacfa8982ac97b4ae777fde5e88de
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>