fix(kuma-cp) ZoneIngress shows up as 'offline'

[lobkovilya]

Summary

The initial plan was to use DataplaneInsight internally as ZoneIngressInsight. That was working well on Kubernetes, but for Universal ZoneIngressInsight wasn't synced over KDS.

Current PR introduces a separate proto ZoneIngressInsight to have a unified approach both on Kubernetes and Universal.

Full changelog

• [Implement ...]
• [Fix ...]

Issues resolved

Fix #2197

Documentation

• Link to the website documentation PR

Testing

• Unit tests
• E2E tests
• Manual testing on Universal
• Manual testing on Kubernetes

[jakubdyszkiewicz]

Please provide E2E test for this.

• spawn global
• spawn remote kubernetes with zone and service
• spawn remote universal with zone and service
• check if zoneingress and dataplanes are synced and online

and I'd also do then

• scale down / remove dataplanes
• check that there are no zoneingresses and dataplanes in global

[codecov-commenter]

Codecov Report

Merging #2209 (08346dd) into master (3bd7955) will decrease coverage by 36.18%.
The diff coverage is 28.39%.

@@             Coverage Diff             @@
##           master    #2209       +/-   ##
===========================================
- Coverage   51.68%   15.50%   -36.19%     
===========================================
  Files         899       47      -852     
  Lines       40752     6400    -34352     
===========================================
- Hits        21061      992    -20069     
+ Misses      17672     5327    -12345     
+ Partials     2019       81     -1938     

Impacted Files	Coverage Δ
api/mesh/v1alpha1/zone_ingress_insight_helpers.go	0.00% <0.00%> (ø)
api/mesh/v1alpha1/zone_ingress_insight.pb.go	41.50% <41.50%> (ø)
api/mesh/v1alpha1/zoneingress_overview.pb.go	36.84% <100.00%> (ø)
api/mesh/v1alpha1/mesh_helpers.go	0.00% <0.00%> (-75.00%)	⬇️
api/mesh/v1alpha1/timeout_helpers.go	0.00% <0.00%> (-66.67%)	⬇️
api/system/v1alpha1/zone_insight_helpers.go	0.00% <0.00%> (-48.65%)	⬇️
api/mesh/v1alpha1/externalservice_helpers.go	0.00% <0.00%> (-39.29%)	⬇️
api/mesh/v1alpha1/circuit_breaker.pb.go	7.43% <0.00%> (-38.67%)	⬇️
api/mesh/v1alpha1/fault_injection.pb.go	12.08% <0.00%> (-35.17%)	⬇️
api/mesh/v1alpha1/rate_limit.pb.go	12.08% <0.00%> (-34.62%)	⬇️
... and 878 more

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