* Zod EVERYWHERE
* Add no-unused-vars rule to eslint in front
* Add no-unused-vars rule to eslint in pusher
* Add no-unused-vars rule to eslint in back
* Remove unused PlayerTexture guards
* Fix data providing on room connection
Co-authored-by: Alexis Faizeau <a.faizeau@workadventu.re>
Implementation of LayersFlattener
Implementation of Setting properties of a layer form script
Update show/hide layer form script
Update unit test of LayersIteratorTest
This class iterates recursively over layers, flattening groups.
This enables us to simplify the code when we iterate layers. We can remove all recursive function calls in the GameScene code (it is delegated to the LayersIterator)