ble_mesh: fix not restoring ble mesg cfg value

components/bt/ble_mesh/mesh_core/settings.c

@@ -540,6 +540,7 @@ static int cfg_set(const char *name)
         return 0;
     }
 
+    memcpy(&stored_cfg.cfg, &val, sizeof(val));
     stored_cfg.valid = true;
     BT_DBG("Restore configuration state");
     return 0;