Here's the `tryRefresh` timeout we should clear on disconnect:
https://github.com/mongodb-js/oidc-plugin/blob/be8e93790d16d82125b053506f9190ee1122c180/src/plugin.ts#L460

The `DevtoolConnectionState` `destroy` is one place clearing it might make sense:
https://github.com/mongodb-js/devtools-connect/blob/0a883296db481aab5c0c4ccbc485062270427521/src/connect.ts#LL222C16-L222C32