Quick bug-fix release to further improve our Fruity backend, where @hsorbo and I filled up our coffee cups and hammered out the following fixes and tweaks:

• fruity: Reuse NCM peer when tunnel setup fails.
• fruity: Handle iDevice not paired with anyone.
• fruity: Handle USB TunnelConnection dropping.
• fruity: Fix unreliable modeswitch activation.
• fruity: Fix teardown when using our NCM driver.
• fruity: Fix error marshaling in find_tunnel() for non-macOS.
• fruity: Advertise our RemoteXPC protocol support.