ref(XmppConnection): enable XMPP resume by default if supported
ref(XmppConnection): enable XMPP resume by default if supported

The XMPP stream resumption will enable automatically if supported by
Prosody on Websocket connections. Pass the 'enableWebsocketResume'
config option set to 'false' to disable.

jitsi/lib-jitsi-meet,jiyeyuran/lib-jitsi-meet,jitsi/lib-jitsi-meet,damencho/lib-jitsi-meet