Fix issue that not logical operator does not work in FHIR filter

[delopst]

NOT logical operator does not work in FHIR filter. Based on the FHIR filter specification it should be supported.

This also closes #5026.

[robogary]

Formatting check succeeded!

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 83.74%. Comparing base (112cec3) to head (8252539).
⚠️ Report is 149 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #7270      +/-   ##
============================================
+ Coverage     83.41%   83.74%   +0.33%     
- Complexity    29193    29816     +623     
============================================
  Files          1843     1821      -22     
  Lines        113422   115266    +1844     
  Branches      14251    14540     +289     
============================================
+ Hits          94608    96533    +1925     
+ Misses        12730    12533     -197     
- Partials       6084     6200     +116     

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