[Screenshare] Multiple Toast

[rctheriot]

Attempted fix for screen share toast overload.

Seems chakra 'ids' doesn't always work. Using this example now:

https://chakra-ui.com/docs/components/toast/usage#closing-toasts

Also added code to limit people to one screenshare at a time.

#681

[renambot]

An automatic import thing...

import { de } from 'date-fns/locale';