feat: adding depth information to env-diff, remove env names for unused

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 80.00000% with 3 lines in your changes are missing coverage. Please review.

Project coverage is 71.73%. Comparing base (7353771) to head (9b94071).

Files	Patch %	Lines
src/dataflow/environments/diff.ts	62.50%	2 Missing and 1 partial :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #817 +/- ## ========================================== - Coverage 71.74% 71.73% -0.02% ========================================== Files 201 201 Lines 7214 7210 -4 Branches 1114 1114 ========================================== - Hits 5176 5172 -4 Misses 1686 1686 Partials 352 352 ```

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[EagleoutIce]

This pull request is included in v2.0.2 (see Release v2.0.2 (Fixing Control-Flow, Markdown-Exports, and Handling of Unnamed Closures)).