efl_ui_focus_manager_sub: flush the border if we cannot find a candidate

after that someone probebly wants to check where the last focus was on,
if the set of boder elements has changed since the last border flush, then the
element might not be registered in the parent manager

src/lib/elementary/efl_ui_focus_manager_sub.c

@@ -211,5 +211,17 @@ _efl_ui_focus_manager_sub_efl_object_destructor(Eo *obj, Efl_Ui_Focus_Manager_Su
    efl_destructor(efl_super(obj, MY_CLASS));
 }
 
+EOLIAN static Efl_Ui_Focus_Object*
+_efl_ui_focus_manager_sub_efl_ui_focus_manager_move(Eo *obj, Efl_Ui_Focus_Manager_Sub_Data *pd, Efl_Ui_Focus_Direction direction)
+{
+   Eo *target = efl_ui_focus_manager_move(efl_super(obj, MY_CLASS), direction);
+
+   if (!target)
+     _border_flush(obj, pd);
+
+   return target;
+}
+
+
 
 #include "efl_ui_focus_manager_sub.eo.c"

src/lib/elementary/efl_ui_focus_manager_sub.eo

@@ -18,5 +18,6 @@ mixin Efl.Ui.Focus.Manager.Sub (Efl.Interface, Efl.Ui.Focus.Manager, Efl.Object)
     implements {
         Efl.Object.constructor;
         Efl.Object.destructor;
+        Efl.Ui.Focus.Manager.move;
     }
 }