Add a --replay flag for kcl snapshot cmd

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 95.45455% with 1 line in your changes missing coverage. Please review.

Project coverage is 77.68%. Comparing base (fd49326) to head (5889bbd). Report is 4 commits behind head on main.

Files	Patch %	Lines
src/cmd_kcl.rs	90.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #860 +/- ## ========================================== + Coverage 77.63% 77.68% +0.04% ========================================== Files 36 36 Lines 7813 7833 +20 ========================================== + Hits 6066 6085 +19 - Misses 1747 1748 +1 ``` | [Flag](https://app.codecov.io/gh/KittyCAD/cli/pull/860/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KittyCAD) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/KittyCAD/cli/pull/860/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KittyCAD) | `77.68% <95.45%> (+0.04%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=KittyCAD#carryforward-flags-in-the-pull-request-comment) to find out more.

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