use absolute rotations instead of incremental ones

#ifdef SPLIT_REND_WITH_HEAD_ROT_MASA

    if ( pMultiBinPoseData != NULL && pMultiBinPoseData->num_poses > 1 )

    {

        /* quaternion-based rotation from ivas_binRenderer_internal.c:ivas_binRenderer() */

        IVAS_QUATERNION Quaternions_rel, Quaternions_abs, *Quaternions_ref;

        /* quaternion-based rotation from ivas_binRenderer_internal.c:ivas_binRenderer(), but using absolute rotation instead of delta rotations */

        IVAS_QUATERNION Quaternions_rot, Quaternions_abs, *Quaternions_ref;

        float Rmat_local[3][3];

        if ( hCombinedOrientationData )

        {

            Quaternions_ref = &hCombinedOrientationData->Quaternions[0];

            Quaternions_rel.w = -3.0f;                                                                        /*euler*/

            Quaternions_rot.w = -3.0f;                                                                        /*euler*/

            Quaternions_abs.w = -3.0f;                                                                        /*euler*/

            Quat2EulerDegree( *Quaternions_ref, &Quaternions_abs.z, &Quaternions_abs.y, &Quaternions_abs.x ); /*order in Quat2Euler seems to be reversed ?*/

            for ( pos_idx = 1; pos_idx < pMultiBinPoseData->num_poses; pos_idx++ )

            {

                Quaternions_rel.x = pMultiBinPoseData->relative_head_poses[pos_idx][0] - pMultiBinPoseData->relative_head_poses[pos_idx - 1][0];

                Quaternions_rel.y = pMultiBinPoseData->relative_head_poses[pos_idx][1] - pMultiBinPoseData->relative_head_poses[pos_idx - 1][1];

                Quaternions_rel.z = pMultiBinPoseData->relative_head_poses[pos_idx][2] - pMultiBinPoseData->relative_head_poses[pos_idx - 1][2];

                Quaternions_abs.x = Quaternions_abs.x + Quaternions_rel.x;

                Quaternions_abs.y = Quaternions_abs.y + Quaternions_rel.y;

                Quaternions_abs.z = Quaternions_abs.z + Quaternions_rel.z;

                Quaternions_rot.x = Quaternions_abs.x + pMultiBinPoseData->relative_head_poses[pos_idx][0];

                Quaternions_rot.y = Quaternions_abs.y + pMultiBinPoseData->relative_head_poses[pos_idx][1];

                Quaternions_rot.z = Quaternions_abs.z + pMultiBinPoseData->relative_head_poses[pos_idx][2];

                QuatToRotMat( Quaternions_rel, Rmat_local );

                QuatToRotMat( Quaternions_rot, Rmat_local );

                hDiracDecBin = st_ivas->hDiracDecBin[pos_idx];

                assert(hDiracDecBin != NULL && "No DiracDecBin handle for this position");