* feat: add a new UI extension type: component
* tests: add tests for checking if it is a react component
* fix: remove reference to not existing type
* chore: update betterer results
* review: remove unnecessary override function for components
* review: use a single type notation in import
* review: stop exporting `PluginExtensionBase`
* refactor: make extension config types more explicit
By using some repetition now these types are much easier to oversee.
* Added onClick to the link and made path optional.
* Added type to the import.
* revert(plugin-extensions): put back isPromise utility function
* Minor update to the isPromise function.
* added onClick in the panel menu item.
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Co-authored-by: Jack Westbrook <jack.westbrook@gmail.com>
Co-authored-by: Levente Balogh <balogh.levente.hu@gmail.com>
