When switching aircraft, we might miss some datarefs because the aircraft's plugin hasn't been loaded and hasn't created them yet. Use a callback to ensure that we open the callbacks after the plugin is loaded.
When switching aircraft, we might miss some datarefs because the aircraft's plugin hasn't been loaded and hasn't created them yet. Use a callback to ensure that we open the callbacks after the plugin is loaded.

leecbaker/datareftool,leecbaker/datareftool,leecbaker/datareftool