[PackageUrlInterceptor] Don't rewrite "inline"

When omitting the third "location" argument of Qt.createQmlObject it will instead use "inline" [1]
as path and will run through the entire URL interceptor even logic.

[1] https://code.qt.io/cgit/qt/qtdeclarative.git/tree/src/qml/qml/v8/qqmlbuiltinfunctions.cpp#n1134

Differential Revision: https://phabricator.kde.org/D10870