Handle transport going down

[wwong]

file:///home/pi/src/wwong/quickkeys/dist/ControlManager.js:16
this.transport = core.services.RoonApiTransport;
^

TypeError: Cannot perform 'get' on a proxy that has been revoked
at RoonExtension.zoneSubscribed (file:///home/pi/src/wwong/quickkeys/dist/ControlManager.js:16:31)
at RoonExtension.emit (node:events:511:28)
at /home/pi/src/wwong/quickkeys/node_modules/roon-kit/bin/RoonExtension.js:36:83
at /home/pi/src/wwong/quickkeys/node_modules/node-roon-api-transport/lib.js:375:41
at /home/pi/src/wwong/quickkeys/node_modules/node-roon-api/moo.js:27:37
at /home/pi/src/wwong/quickkeys/node_modules/node-roon-api/moo.js:204:10
at Array.forEach ()
at Moo.clean_up (/home/pi/src/wwong/quickkeys/node_modules/node-roon-api/moo.js:202:32)
at moo.transport.onclose (/home/pi/src/wwong/quickkeys/node_modules/node-roon-api/lib.js:418:13)
at Transport.close (/home/pi/src/wwong/quickkeys/node_modules/node-roon-api/transport-websocket.js:66:14)

Node.js v20.3.0