* feat(large-video/web) new ScreenSharePlaceholder component

* feat: Exposes a method for checking is remote track received and played.

Used for some tests in torture.

* squash: Drop not matching string.

Duplicate translation key with not matching content.

* squash: Moves torture specific functions to features/base/testing.

Listens for media events from the video tag of the large video and stores them in redux.

* squash: Fix comments.

* feat: Listens for media events from the video tag of the remote videos and stores them in redux.

* squash: Fix undefined videoTrack if between switches.

Participants that join video muted do not have video tracks attached. Fixes https://github.com/jitsi/jitsi-meet/issues/7942.

Get the existing HTMLVideoElement for large video instead of creating a new video element for capturing the screenshot.
This should prevent the video player from getting displayed on mobile Safari.