[REG]PLY loader failing from 5.15.8

Attached the example made from Qt3D manual testcase,
tests/manual/assimp-cpp/main.cpp

Run the example and open the attached PLY file,
on 5.15.8
Status changed: Qt3DRender::QSceneLoader::Loading
Qt3D.AssimpImporter: Assimp scene import failed No suitable reader found for the file format of file "/home/yifei/Downloads/Draw3D/Draw3D_QtQuick3D/data/bunny2.ply".
Qt3D.Renderer.SceneLoaders: Qt3DCore::QEntity* Qt3DRender::Render::LoadSceneJob::tryLoadScene(Qt3DRender::QSceneLoader::Status&, const QStringList&, const std::function<void(Qt3DRender::QSceneImporter*)>&) Failed to import QUrl("file:///home/yifei/Downloads/Draw3D/Draw3D_QtQuick3D/data/bunny2.ply") with errors ("No suitable reader found for the file format of file \"/home/yifei/Downloads/Draw3D/Draw3D_QtQuick3D/data/bunny2.ply\".")
Status changed: Qt3DRender::QSceneLoader::Error

on 5.15.7
Status changed: Qt3DRender::QSceneLoader::Loading
Status changed: Qt3DRender::QSceneLoader::Ready
Entity: Qt3DCore::QEntity(0x7fa5c80046f0) Components: QVector(Qt3DExtras::QPhongMaterial(0x7fa5c812aa70), Qt3DRender::QGeometryRenderer(0x7fa5c80042a0), Qt3DCore::QTransform(0x7fa5c8135620))