Automated cherry pick of #3383: Fix ipBlock referenced in child ClusterGroup not processed

[xliuxu]

Cherry pick of #3383 on release-1.5.

#3383: Fix ipBlock referenced in child ClusterGroup not processed

For details on the cherry pick process, see the cherry pick requests page.

[xliuxu]

/test-all

[codecov-commenter]

Codecov Report

Merging #3405 (a2780cf) into release-1.5 (318ccde) will decrease coverage by 7.46%.
The diff coverage is 100.00%.

@@               Coverage Diff               @@
##           release-1.5    #3405      +/-   ##
===============================================
- Coverage        59.87%   52.40%   -7.47%     
===============================================
  Files              332      464     +132     
  Lines            28495    54734   +26239     
===============================================
+ Hits             17062    28685   +11623     
- Misses            9547    23598   +14051     
- Partials          1886     2451     +565     

Flag	Coverage Δ
e2e-tests	52.49% <94.23%> (?)
integration-tests	34.02% <ø> (?)
kind-e2e-tests	46.55% <0.00%> (-1.39%)	⬇️
unit-tests	41.49% <91.89%> (+0.08%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
.../registry/networkpolicy/clustergroupmember/rest.go	64.28% <100.00%> (-23.95%)	⬇️
pkg/controller/networkpolicy/clustergroup.go	83.12% <100.00%> (+6.12%)	⬆️
...g/controller/networkpolicy/clusternetworkpolicy.go	82.63% <100.00%> (+9.25%)	⬆️
pkg/controller/networkpolicy/crd_utils.go	89.92% <100.00%> (+2.69%)	⬆️
...ntroller/networkpolicy/networkpolicy_controller.go	80.54% <100.00%> (-2.11%)	⬇️
pkg/agent/cniserver/pod_configuration_linux.go	26.31% <0.00%> (-40.36%)	⬇️
pkg/controller/ipam/antrea_ipam_controller.go	48.71% <0.00%> (-31.57%)	⬇️
pkg/controller/networkpolicy/endpoint_querier.go	61.46% <0.00%> (-29.97%)	⬇️
pkg/controller/egress/controller.go	62.19% <0.00%> (-26.26%)	⬇️
... and 431 more

[tnqn]

/test-integration

[xliuxu]

/test-integration

[tnqn]

/test-integration