Co-authored-by: Emil Atanasov <heitara@gmail.com>
Co-authored-by: Aakansha Doshi <aakansha1216@gmail.com>

* feat: support custom UI rendering inside export dialog

* docs

* add

* remove assertion

Co-authored-by: dwelle <luzar.david@gmail.com>

* refactor: update UIOptions.canvasActions.export to be a an object

* fix

* fix

* dnt show export icon when false

* fix

* inline

* memoize UIOptions

* update docs

* fix

* tweak readme

Co-authored-by: David Luzar <luzar.david@gmail.com>

Co-authored-by: Aakansha Doshi <aakansha1216@gmail.com>