Saving and Loading of Scenes:
- loading scenes from URL (aka the scenetoken) is fixed
- URL changes according to the changing of loaded scene
- scene signal is created for storing the metadata of a scene
- editor can hydrate the scene signal data
- options in the file menu changes states according to scene status
Editor Changes and Fixes:
- fixes the way Editor Engine is constructed and initialized for
stability
- fixes typing issues on all that is passed to Editor Engine from
react-land
Other Fixes, Bells & Whistles:
- changed "back to dashboard" button to "back to editor", and the
correct behavior of it
- cleaned up routes and page files so routes designation are actually
mutually exclusive
Co-authored-by: wil <wil@storyteller.ai>