357 sa create needs bounds checking

[Donnie-Ice]

Makes a temporary SA, checks lengths, then saves SA to array. The sa_create function does not currently have a unit test associated with it.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 3.17460% with 61 lines in your changes missing coverage. Please review.

Project coverage is 75.97%. Comparing base (4567cee) to head (a1e2688).
Report is 6 commits behind head on dev.

Files with missing lines	Patch %	Lines
src/sa/internal/sa_interface_inmemory.template.c	3.17%	61 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #372      +/-   ##
==========================================
- Coverage   76.53%   75.97%   -0.57%     
==========================================
  Files          81       81              
  Lines       22041    22263     +222     
  Branches     1777     1807      +30     
==========================================
+ Hits        16870    16914      +44     
- Misses       4531     4707     +176     
- Partials      640      642       +2     

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