Convert files that use material-ui to TS (needed for material-ui upgrade)

Only display Picture-in-Picture button when feature is available
Moved conference timer before title
Created new always-on container for labels
Moved recording labels to always-on
Updated expanded label to support new always-on labels
Added raised hands counter label
Added speaker - earpiece toggle button
Lifted state up

Found via `codespell -q 3 -S ./lang`