Cp Refine the security policy logic related with named port(#796)

[timdengyun]

CP PR: #796

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 97.59036% with 2 lines in your changes missing coverage. Please review.

Project coverage is 53.74%. Comparing base (58c18ae) to head (2da6fbb).

Files with missing lines	Patch %	Lines
pkg/nsx/services/securitypolicy/expand.go	93.75%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           v4.2.0     #831      +/-   ##
==========================================
+ Coverage   53.13%   53.74%   +0.61%     
==========================================
  Files          95       95              
  Lines       15049    15038      -11     
==========================================
+ Hits         7996     8082      +86     
+ Misses       6488     6380     -108     
- Partials      565      576      +11     

Flag	Coverage Δ
unit-tests	53.74% <97.59%> (+0.61%)	⬆️

Files with missing lines	Coverage Δ
pkg/nsx/services/securitypolicy/builder.go	82.30% <100.00%> (+0.47%)	⬆️
pkg/nsx/services/securitypolicy/expand.go	62.23% <93.75%> (+30.08%)	⬆️

... and 1 file with indirect coverage changes

[zhengxiexie]

LGTM