Put `scene` module under `scene` feature

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 90.96%. Comparing base (8ea7d21) to head (a5b7a5b).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## 0.14.0-rc #296 +/- ## ========================================== Coverage 90.96% 90.96% ========================================== Files 37 37 Lines 2202 2202 ========================================== Hits 2003 2003 Misses 199 199 ```

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