gengrid: ignore key events if item reorder is going on.

Summary: This was missed in 43eb52e159.

Test Plan:
elementary_test->"Gengrid Focus" and enable "reorder mode" by clicking "redorder mode enable" checkbox.
Move the items by direction keys.

Reviewers: raster, seoz

Reviewed By: seoz

CC: seoz

Differential Revision: https://phab.enlightenment.org/D801

legacy/elementary/src/lib/elm_gengrid.c

@@ -2174,6 +2174,8 @@ _key_action_move(Evas_Object *obj, const char *params)
          elm_interface_scrollable_content_viewport_geometry_get
          (NULL, NULL, &v_w, &v_h));
 
+   if (sd->reorder_mode && sd->reorder.running) return EINA_TRUE;
+
    if (!strcmp(dir, "left"))
      {
         if (sd->reorder_mode)