Improve cut-cell node sampling

[jlchan]

Should result in more reliable generation of cut-cell nodes and quadrature points

[codecov[bot]]

Codecov Report

Merging #145 (270139f) into main (33db8c9) will decrease coverage by 0.72%. The diff coverage is 46.80%.

@@            Coverage Diff             @@
##             main     #145      +/-   ##
==========================================
- Coverage   97.79%   97.08%   -0.72%     
==========================================
  Files          25       25              
  Lines        3081     3118      +37     
==========================================
+ Hits         3013     3027      +14     
- Misses         68       91      +23     

Impacted Files	Coverage Δ
src/cut_cell_meshes.jl	92.46% <46.80%> (-5.60%)	:arrow_down:

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