feat(vector): add CloneState implementation

[vapourismo]

What

Implement CloneState for the Vector state component.

Why

I need this for #962.

Manually Testing

make all

Tasks for the Author

• Link all Linear issues related to this MR using magic words (e.g. part of, relates to, closes).
• Eliminate dead code and other spurious artefacts introduced in your changes.
• Document new public functions, methods and types.
• Make sure the documentation for updated functions, methods, and types is correct.
• Add tests for bugs that have been fixed.
• Explain changes to regression test captures when applicable.
• Write commit messages in agreement with our guidelines.
• Self-review your changes to ensure they are high-quality.
• Complete all of the above before assigning this MR to reviewers.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 48 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.65%. Comparing base (9b1c76e) to head (7e548e6).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
data/src/components/vector.rs	0.00%	34 Missing ⚠️
data/src/partial_vec.rs	0.00%	11 Missing ⚠️
data/src/clone.rs	0.00%	3 Missing ⚠️

❌ Your patch status has failed because the patch coverage (0.00%) is below the target coverage (80.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #961      +/-   ##
==========================================
- Coverage   89.87%   89.65%   -0.23%     
==========================================
  Files         110      110              
  Lines       22084    22129      +45     
  Branches    22084    22129      +45     
==========================================
- Hits        19848    19839       -9     
- Misses       1837     1891      +54     
  Partials      399      399              

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[github-actions]

Benchmark results for revision 1f181db:

Metric	Duration	TPS
Mean	1.516895031s	26.370
Worst	1.52440637s	26.240
Best	1.497158295s	26.717
Standard Deviation	±6.169612ms	±0.108

Full results

Run	Transfers	Duration	TPS
1	40	1.51802603s	26.350
2	40	1.52440637s	26.240
3	40	1.51281528s	26.441
4	40	1.523644872s	26.253
5	40	1.515166652s	26.400
6	40	1.515082163s	26.401
7	40	1.514428619s	26.413
8	40	1.516125737s	26.383
9	40	1.522927898s	26.265
10	40	1.519238745s	26.329
11	40	1.52346981s	26.256
12	40	1.522725433s	26.269
13	40	1.51285351s	26.440
14	40	1.520696456s	26.304
15	40	1.508014943s	26.525
16	40	1.519601047s	26.323
17	40	1.516875546s	26.370
18	40	1.518429127s	26.343
19	40	1.516214084s	26.381
20	40	1.497158295s	26.717

Compare the results above with those for the default branch.