fix: fixed s.array type inference

[favna]

After this change the following 3 will all resolve their types properly:

[codecov-commenter]

Codecov Report

Merging #153 (d60737a) into main (ebc46de) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main     #153   +/-   ##
=======================================
  Coverage   99.31%   99.31%           
=======================================
  Files          56       56           
  Lines        3230     3232    +2     
  Branches      801      801           
=======================================
+ Hits         3208     3210    +2     
  Misses         13       13           
  Partials        9        9           

Impacted Files	Coverage Δ
src/lib/Shapes.ts	100.00% <100.00%> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update ebc46de...d60737a. Read the comment docs.