[elm_widget] Fix not to load theme for mirroring if smart data is not set
[elm_widget] Fix not to load theme for mirroring if smart data is not set

Summary: Do not load widget theme for mirroring if smart data creation is not finished.

Reviewers: Hermet, raster

Reviewed By: raster

CC: seoz

Differential Revision: https://phab.enlightenment.org/D428

rvandegrift/elementary,rvandegrift/elementary,FlorentRevest/Elementary,rvandegrift/elementary,tasn/elementary,tasn/elementary,FlorentRevest/Elementary,tasn/elementary,rvandegrift/elementary,FlorentRevest/Elementary,FlorentRevest/Elementary,tasn/elementary,tasn/elementary