Fix getGeometry for prvalues

If a passed function argument is a prvalue, it will be destroyed once we
return, as returning a reference to its member does not extend its
lifetime.

src/spatial/detail/ArborX_Predicates.hpp

@@ -147,20 +147,36 @@ getGeometry(Nearest<Geometry> const &pred)
 {
   return pred._geometry;
 }
+template <typename Geometry>
+KOKKOS_INLINE_FUNCTION Geometry getGeometry(Nearest<Geometry> &&pred)
+{
+  return pred._geometry;
+}
 
 template <typename Geometry>
 KOKKOS_INLINE_FUNCTION Geometry const &
 getGeometry(Intersects<Geometry> const &pred)
 {
   return pred._geometry;
 }
+template <typename Geometry>
+KOKKOS_INLINE_FUNCTION Geometry getGeometry(Intersects<Geometry> &&pred)
+{
+  return pred._geometry;
+}
 
 template <typename Geometry>
 KOKKOS_INLINE_FUNCTION Geometry const &
 getGeometry(Experimental::OrderedSpatial<Geometry> const &pred)
 {
   return pred._geometry;
 }
+template <typename Geometry>
+KOKKOS_INLINE_FUNCTION Geometry
+getGeometry(Experimental::OrderedSpatial<Geometry> &&pred)
+{
+  return pred._geometry;
+}
 
 template <typename Predicate, typename Data>
 struct PredicateWithAttachment : Predicate