* Add platform feature which adds dynamic height property controls and default properties based on widget config
* Move features to the top, so that defaults can override them if necessary
* - Add unit tests to verify that the property controls show up for dynamic height
- Add unit test to verify that the hidden hook in the dynamic height controls work
- Fix console warning for react key unavailable in Generator.tsx
- Move constants and types to their respective files
* Remove dynamic height config from Container Widget
* Add comments in hard to understand areas
* Add function which converts fn validation params to fnString
