Fix Qt-DetachingTemporary warning in qmetaobjectpublisher.cpp


Axivion-Id: qt_Add-ons_qtwebchannel_dev_linux:SV22
Task-number: QTBUG-144780
Pick-to: 6.12
Change-Id: I9cea4088ef497844b40905c0737001ead9ba7d6e
Reviewed-by: Ivan Solovev <ivan.solovev@qt.io>
commita939cf5745a128dd1e7a3f33f8454b588c526a70
parentf70674e398f825b9b23d3aa3412cc54e05a03b6d
authorTatiana Borisova <tatiana.borisova@qt.io>
committerTatiana Borisova <tatiana.borisova@qt.io>
commit timeWed, 5 Aug 2026 14:57:46 +0000