Reimplement DomainStyle for CellQuadrature

[ericneiva]

This PR fixes the low-level tutorial, breaking due to #885, as noted by @JordiManyer (thanks).

See here for details.

@amartinhuertas, could you please review and accept, whenever you have some time? Thanks.

[codecov-commenter]

Codecov Report

Merging #937 (2f3aa26) into master (ffe4667) will decrease coverage by 0.01%.
The diff coverage is 0.00%.

❗ Current head 2f3aa26 differs from pull request most recent head 152aaeb. Consider uploading reports for the commit 152aaeb to get more accurate results

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@@            Coverage Diff             @@
##           master     #937      +/-   ##
==========================================
- Coverage   88.43%   88.43%   -0.01%     
==========================================
  Files         174      174              
  Lines       20626    20627       +1     
==========================================
  Hits        18241    18241              
- Misses       2385     2386       +1     

Files Changed	Coverage Δ
src/CellData/CellQuadratures.jl	85.18% <0.00%> (-1.07%)	⬇️

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