Summary:
It should use legacy class in elm_win_add.
this patch fixes T6898, T6899
Test Plan: make check
Reviewers: zmike, Jaehyun_Cho
Reviewed By: Jaehyun_Cho
Subscribers: cedric, #committers
Tags: #efl
Maniphest Tasks: T6899, T6898
Differential Revision: https://phab.enlightenment.org/D6233
YeongJong Lee