Support QQuickGenerator in Lottie vector image plugin


Change the generate() virtual function signature to accept the base
QQuickGenerator instead of QQuickItemGenerator, so the plugin works
with both QML and item generator backends.

Task-number: QTBUG-147264
Change-Id: I416a218cefd757001db068abd51fb10f366803db
Reviewed-by: Kwanghyo Park <kwanghyo.park@qt.io>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
commitf8ac39d47e572cdbf06884232e882ad39b0e710c
parent9d61df92063639ea20ab436b9b42c9b471967c7c
authorKwanghyo Park <kwanghyo.park@qt.io>
committerKwanghyo Park <kwanghyo.park@qt.io>
commit timeThu, 25 Jun 2026 07:49:20 +0000