fix: make `remake_buffer` work for array symbolics

[AayushSabharwal]

Close https://github.com/SciML/ModelingToolkit.jl/issues/2713

Checklist

• [ ] Appropriate tests were added
• [ ] Any code changes were done in a way that does not break public API
• [ ] All documentation related to code changes were updated
• [ ] The new code follows the contributor guidelines, in particular the SciML Style Guide and COLPRAC.
• [ ] Any new documentation only uses public API

Additional context

Add any other context about the problem here.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 80.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 85.79%. Comparing base (71408bb) to head (f5e96c6).

Files	Patch %	Lines
src/remake.jl	80.00%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #79 +/- ## ========================================== - Coverage 86.15% 85.79% -0.37% ========================================== Files 11 11 Lines 513 521 +8 ========================================== + Hits 442 447 +5 - Misses 71 74 +3 ``` | [Flag](https://app.codecov.io/gh/SciML/SymbolicIndexingInterface.jl/pull/79/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=SciML) | Coverage Δ | | |---|---|---| | [docs](https://app.codecov.io/gh/SciML/SymbolicIndexingInterface.jl/pull/79/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=SciML) | `28.07% <0.00%> (-0.45%)` | :arrow_down: | 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=SciML#carryforward-flags-in-the-pull-request-comment) to find out more.

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