The latter supports tree-shaking and we don't need to embed the whole
500KB of lodash.

* fix(connection-status): remove unused participant connectionStatus.
Always use trackStreamingStatus now that legacy endpoint based signaling has been removed.

* remove the check for source-name signaling.
Default to source-name signaling always.

* Remove the check for multi-stream mode.
Make that the default mode and remove the support for legacy SS mode.

* Remove presenter mode.

* update latest@lib-jitsi-meet

Fixes an issue where 'contentSharingParticipantsChanged' event and 'getContentSharingParticipants' API continue to list IDs of the participants that have already stopped their screenshares.

- small refactor to trigger `notifyVideoMutedStatusChanged` correctly when participant is presenting