Move visible logic inside each button
Move click functionality inside each button
Extract getButtons function from Toolbox components to functions file

Remove unnecessary @ts-ignore
Fix some TS errors

* feat(face-landmarks): add face landmarks timeline

fixes after rebase

* fixes after rebase compiling and linting

* fix: change keyboard shorcut for participants stats

* fix: label for emotions switch

* fix: linting issues

* code review changes

* fix linting issues

* code review changes 2

* fix typo

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