elm focus manager - dont leak child lists when updating focus order

this should fix T5800

@fix

src/lib/elementary/elm_box.c

@@ -29,6 +29,7 @@ _focus_order_flush(Eo *obj, Elm_Box_Data *pd EINA_UNUSED)
    Eina_List *order = evas_object_box_children_get(wpd->resize_obj);
 
    efl_ui_focus_manager_calc_update_order(wpd->focus.manager, obj, order);
+   eina_list_free(order);
 }
 
 static void *

src/lib/elementary/elm_grid.c

@@ -20,6 +20,7 @@ _focus_order_flush(Eo *obj)
    Eina_List *order = evas_object_grid_children_get(wpd->resize_obj);
 
    efl_ui_focus_manager_calc_update_order(wpd->focus.manager, obj, order);
+   eina_list_free(order);
 }
 
 

src/lib/elementary/elm_table.c

@@ -21,6 +21,7 @@ _focus_order_flush(Eo *obj)
    Eina_List *order = evas_object_table_children_get(wpd->resize_obj);
 
    efl_ui_focus_manager_calc_update_order(wpd->focus.manager, obj, order);
+   eina_list_free(order);
 }
 
 EOLIAN static Eina_Bool