fix: sort resources when building MeshContext (backport #5391)

[mergify]

This is an automatic backport of pull request #5391 done by Mergify.
Cherry-pick of ff4463e has failed:

On branch mergify/bp/release-2.0/pr-5391
Your branch is up to date with 'origin/release-2.0'.

You are currently cherry-picking commit ff4463e99.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   pkg/core/resources/store/pagination_store.go
	modified:   pkg/plugins/runtime/gateway/gateway_route_generator_test.go
	modified:   pkg/plugins/runtime/gateway/generator.go
	modified:   pkg/plugins/runtime/gateway/testdata/tcp/tcp-route-no-egress.yaml
	modified:   pkg/test/resources/builders/dataplane_builder.go
	modified:   pkg/test/runtime/runtime.go
	modified:   pkg/xds/context/mesh_context_builder.go
	modified:   pkg/xds/server/v3/components.go
	modified:   pkg/xds/server/v3/reconcile.go
	deleted:    pkg/xds/server/v3/testdata/dataplane.input.yaml
	renamed:    pkg/xds/server/v3/testdata/envoy-config.golden.yaml -> pkg/xds/server/v3/testdata/hook-before-pt.golden.yaml
	new file:   pkg/xds/server/v3/testdata/stable-es.golden.yaml
	modified:   pkg/xds/sync/egress_proxy_builder.go
	modified:   pkg/xds/sync/ingress_proxy_builder.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   pkg/core/resources/store/options.go
	both modified:   pkg/xds/server/v3/snapshot_generator_test.go

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/github/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

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