* added option to use rtctstats from lib-jitsi-meet

* Addressed review feedback:
- moved rtcstats function into JitsiMeetJS.rtcstats
- changed from callbacks to events

* moved rtcstatsUseLibJitsi from analytics to testing

* fixed linting errors

* use ljm rtcstats

* remove debug logs, additional dependencies

* fix ts and dependency

* address code review

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Co-authored-by: Nils Ohlmeier <github@ohlmeier.org>