feat(metrics) add zone selector to Kuma Mesh dashboard

[michaelbeaumont]

Summary

Add a zone selector to Kuma Mesh dashboard

Only the Service Map is not filtered in any way

Full changelog

• feat(metrics) add zone selector to Kuma Mesh dashboard
• tests(integration) incorporate Kuma Mesh zone changes

Testing

• Manual testing on Universal
• Manual testing on Kubernetes

Backwards compatibility

• Add backport-to-stable label if the code is backwards compatible. Otherwise, list breaking changes.

[codecov-commenter]

Codecov Report

Merging #2860 (0692656) into master (55676cf) will increase coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2860      +/-   ##
==========================================
+ Coverage   52.13%   52.17%   +0.03%     
==========================================
  Files         897      897              
  Lines       52070    52070              
==========================================
+ Hits        27149    27166      +17     
+ Misses      22749    22734      -15     
+ Partials     2172     2170       -2     

Impacted Files	Coverage Δ
pkg/core/runtime/component/component.go	81.13% <0.00%> (-7.55%)	⬇️
api/observability/v1/mads.pb.go	35.56% <0.00%> (+1.03%)	⬆️
pkg/core/resources/model/rest/resource.go	69.23% <0.00%> (+1.28%)	⬆️
pkg/mads/server/server.go	84.25% <0.00%> (+1.85%)	⬆️
pkg/mads/v1/client/client.go	43.75% <0.00%> (+2.50%)	⬆️
pkg/plugins/leader/postgres/leader_elector.go	97.87% <0.00%> (+4.25%)	⬆️
pkg/xds/cache/once/cache.go	94.87% <0.00%> (+7.69%)	⬆️
pkg/core/bootstrap/autoconfig.go	54.46% <0.00%> (+8.03%)	⬆️

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