Combine XPath filters in vector_logic_linter

[MichaelChirico]

Follow-up to #3004 -- cc @emmanuel-ferdman this is what I had in mind; it passes current tests, WDYT?

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.23%. Comparing base (2e1b041) to head (2de0706).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3008      +/-   ##
==========================================
- Coverage   99.23%   99.23%   -0.01%     
==========================================
  Files         128      128              
  Lines        7287     7286       -1     
==========================================
- Hits         7231     7230       -1     
  Misses         56       56              

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[emmanuel-ferdman]

@MichaelChirico Awesome, thanks for the clarifying. The [(A or B) and not(C)] form is definitely cleaner than the chained [A or B][not(C)] predicate. Tested your changes locally so LGTM.