Get DNA RBF Pose

/**
 * Node that retrieves an RBF pose from a MetaHuman DNA asset.
 * 
 * Extracts a specific radial basis function pose used for
 * advanced facial deformation in MetaHuman characters.
 * 
 * Usage:
 * 1. Connect DNA asset input
 * 2. Select RBF solver and pose name
 * 3. Output is the pose mesh
 */