Fix QuadPointEvaluator initialization issues

[MelanieInky]

Implement the changes as discussed in issue #76.

[MelanieInky]

I copy pasted the logic from the function dispatching on ::AbstractDomainBuffer. The failing test now run successfully on my local machine but I am not sure I understand when exactly it will dispatch on ::AbstractDomainBuffer and if that function should be changed as well.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 96.89%. Comparing base (0b63017) to head (1dfd144).

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #80      +/-   ##
==========================================
+ Coverage   96.82%   96.89%   +0.06%     
==========================================
  Files          30       30              
  Lines        1166     1160       -6     
==========================================
- Hits         1129     1124       -5     
+ Misses         37       36       -1     

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