🐛 read_sqd_layout now updates the aspect ratio properly for SiQAD-coordinate based layouts

[wlambooy]

Description

read_sqd_layout now updates the aspect ratio properly for SiQAD-coordinate based layouts

Checklist:

• The pull request only contains commits that are related to it.
• I have added appropriate tests and documentation.
• I have made sure that all CI jobs on GitHub pass.
• The pull request introduces no new warnings and follows the project's style guidelines.

[codecov]

Codecov Report

Merging #355 (408b4e9) into main (2cb1547) will increase coverage by 0.00%.
The diff coverage is 100.00%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #355   +/-   ##
=======================================
  Coverage   96.04%   96.05%           
=======================================
  Files         102      102           
  Lines       10101    10106    +5     
=======================================
+ Hits         9702     9707    +5     
  Misses        399      399           

Files	Coverage Δ
include/fiction/io/read_sqd_layout.hpp	99.27% <100.00%> (+0.77%)	⬆️

... and 1 file with indirect coverage changes

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[github-actions]

clang-tidy review says "All clean, LGTM! 👍"