Add qrc support to WebView2 backend


Task-number: QTBUG-142094
Pick-to: 6.12
Change-Id: If57b00caf6a4c13db7d1b695f4fb003d7327d2de
Reviewed-by: Moss Heim <moss.heim@qt.io>
commit0e6f0e7c6a8b74745bad5b58aca6b414e9e77ff2
parent81f1822079c9425b98344183d0e8747ab5606b1b
authorKaloyan Chehlarski <kaloyan.chehlarski@qt.io>
committerKaloyan Chehlarski <kaloyan.chehlarski@qt.io>
commit timeWed, 3 Jun 2026 08:07:28 +0000