- add possibility to allow execution of the button's routine besides triggering
`toolbarButtonClicked` API event
- keep backwards compatibility
- get rid of `ToolbarButton`
* feat: Change the screenshare capture fps from UI.
Add the ability to change the capture frame rate for screenshare from the UI. The fps becomes effective only on screen shares that are started after the setting is changed.
* squash: add missing JSDOCs and translations for frames-per-second.