Your configs look good (although, you should REALLY use How to use code fences when posting them… you can edit your post above to include them)
edit: I see a strange character (;) after “Select” (this is why you need to use code fences)
enable TRACE log level on the binding from the console and see what happens when you press the selection on your sitemap for Zone1
log:set TRACE org.openhab.binding.onkyo