Fix serialization bug in behavior layers.

[roads]

• Add 'data_scope' attribute to serialization list. Re-instantiated objects will now have the correct data_scope prefix.

[codecov[bot]]

Codecov Report

Patch coverage has no change and project coverage change: +0.10 :tada:

Comparison is base (e8e746f) 94.81% compared to head (431e10d) 94.92%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #31 +/- ## ========================================== + Coverage 94.81% 94.92% +0.10% ========================================== Files 94 94 Lines 2739 2739 Branches 363 363 ========================================== + Hits 2597 2600 +3 Misses 104 104 + Partials 38 35 -3 ``` | [Impacted Files](https://codecov.io/gh/psiz-org/psiz/pull/31?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psiz-org) | Coverage Δ | | |---|---|---| | [src/psiz/keras/layers/behaviors/alcove\_cell.py](https://codecov.io/gh/psiz-org/psiz/pull/31?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psiz-org#diff-c3JjL3BzaXova2VyYXMvbGF5ZXJzL2JlaGF2aW9ycy9hbGNvdmVfY2VsbC5weQ==) | `98.03% <ø> (+0.65%)` | :arrow_up: | | [...siz/keras/layers/behaviors/rank\_similarity\_base.py](https://codecov.io/gh/psiz-org/psiz/pull/31?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psiz-org#diff-c3JjL3BzaXova2VyYXMvbGF5ZXJzL2JlaGF2aW9ycy9yYW5rX3NpbWlsYXJpdHlfYmFzZS5weQ==) | `100.00% <ø> (+0.90%)` | :arrow_up: | | [...siz/keras/layers/behaviors/rate\_similarity\_base.py](https://codecov.io/gh/psiz-org/psiz/pull/31?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=psiz-org#diff-c3JjL3BzaXova2VyYXMvbGF5ZXJzL2JlaGF2aW9ycy9yYXRlX3NpbWlsYXJpdHlfYmFzZS5weQ==) | `100.00% <ø> (+1.35%)` | :arrow_up: |

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