- add possibility to allow execution of the button's routine besides triggering
`toolbarButtonClicked` API event
- keep backwards compatibility
- get rid of `ToolbarButton`
* fix(speaker-stats): prevent search from closing when enter pressed and from keeping previous state
* fix(speaker-stats): remove unnecessary blank lines
* fix(speaker-stats): add empty dependencies to prevent dismiss callback
* add(speaker-stats): reset search criteria action