Gengrid: Fixed _elm_gengrid_item_edge_check for ELM_FOCUS_LEFT and ELM_FOCUS_RIGHT in horizontal mode.
Summary:
1|4 _elm_gengrid_item_edge_check for ELM_FOCUS_LEFT returns EINA_FALSE for item no. 3,
2| which should return EINA_TRUE. Fixed this.
3|
1|4|7| _elm_gengrid_item_edge_check for ELM_FOCUS_RIGHT returns EINA_FALSE for item no.5,
2|5| which should return EINA_TRUE. Fixed this.
3|6|
Test Plan: elementary_test -to gengrid2
Reviewers: seoz, eagleeye, SanghyeonLee, raster
CC: seoz, raster
Differential Revision: https://phab.enlightenment.org/D846
a6e1a0e2c8