Fix CompareTo in RequestMatchResult

[StefH]

#344

[codecov]

Codecov Report

Merging #345 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #345      +/-   ##
==========================================
+ Coverage   80.25%   80.26%   +<.01%     
==========================================
  Files         111      112       +1     
  Lines        4442     4443       +1     
==========================================
+ Hits         3565     3566       +1     
  Misses        877      877

Impacted Files	Coverage Δ
...ireMock.Net/Matchers/Request/RequestMatchResult.cs	100% <100%> (ø)	⬆️
src/WireMock.Net/Matchers/Request/MatchDetail.cs	100% <100%> (ø)
src/WireMock.Net/Serialization/LogEntryMapper.cs	100% <100%> (ø)	⬆️
src/WireMock.Net/Owin/MappingMatcher.cs	100% <100%> (ø)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 2f40602...82fe2e8. Read the comment docs.