Check more resources realized status when creating subnet

[TaoZou1]

Subnet includes child resources which also need checking realized status.
Add RealizedLogicalPort, RealizedLogicalRouterPort checking

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 81.81818% with 2 lines in your changes missing coverage. Please review.

Project coverage is 73.40%. Comparing base (a2702f2) to head (5259e2b).
Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/nsx/services/subnet/subnet.go	50.00%	0 Missing and 1 partial ⚠️
pkg/nsx/services/vpc/vpc.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #921      +/-   ##
==========================================
+ Coverage   73.26%   73.40%   +0.13%     
==========================================
  Files         109      109              
  Lines       15095    15253     +158     
==========================================
+ Hits        11059    11196     +137     
- Misses       3284     3306      +22     
+ Partials      752      751       -1     

Flag	Coverage Δ
unit-tests	73.40% <81.81%> (+0.13%)	⬆️

Files with missing lines	Coverage Δ
pkg/nsx/services/realizestate/realize_state.go	95.00% <100.00%> (+3.33%)	⬆️
pkg/nsx/services/subnetport/subnetport.go	80.83% <100.00%> (ø)
pkg/nsx/services/subnet/subnet.go	66.66% <50.00%> (+1.00%)	⬆️
pkg/nsx/services/vpc/vpc.go	56.08% <0.00%> (ø)

... and 6 files with indirect coverage changes

[TaoZou1]

/e2e

[yanjunz97]

LGTM