Unify custom material and effect properties


Use the same QSSGBaseTypeProperty property for everyone since it is
compatible.

Task-number: QTBUG-146226
Change-Id: I1a2439c1e782c981595ac5a8e1050deaaaadb740
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
commit1b46f1a506da8e24013b6e21e645817a0cd05687
parent28233cafc8b347baa3a134011de3912dca7ddbd3
authorAntti Määttä <antti.maatta@qt.io>
committerAntti Määttä <antti.maatta@qt.io>
commit timeThu, 1 Oct 2026 06:58:39 +0000