Remove unnecessary ts-ignores
Remove unnecessary eslint-disable
Fix type errors
Change Dispatch type to IStore['dispatch']

Use new TS config from @jitsi/eslint
Fix all lint errors

Add the ability (for moderators) to end the meeting for everyone.

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

- add possibility to allow execution of the button's routine besides triggering
`toolbarButtonClicked` API event
- keep backwards compatibility
- get rid of `ToolbarButton`