XR: fix -Wsfinae-incomplete in anchor manager headers
Replace the forward declaration of QQuick3DXrSpatialAnchor with a full
include so the type is complete when moc-generated SignalData templates
instantiate SFINAE type traits (e.g. std::is_base_of<QObject, T>).
Pick-to: 6.12
Change-Id: I99e4c89d53ca618ff3ae82f0180fc4a5ca856be0
Reviewed-by: Christian Strømme <christian.stromme@qt.io>
| commit | ffefb781f0de9d5b39b25036aeb65f480d93553f |
| parent | 37992a305bfede08a0dfb74aad62b3990e9c0de9 |
| author | Jonas Karlsson <jonas.karlsson@qt.io> |
| committer | Jonas Karlsson <jonas.karlsson@qt.io> |
| commit time | Wed, 14 Oct 2026 05:43:38 +0000 |