fix: performance recession when propagating namespace to helm (#5971)

* fix: performance recession when propagating namespace to helm

* fix: handle passing namespace downstream more elegant

* Revert "fix: handle passing namespace downstream more elegant"

This reverts commit 976a7cf2aa.

* Revert "fix: performance recession when propagating namespace to helm"

This reverts commit c7612d1dba.

* fix: use annotation to identify helm chart generated resources

* fix: deduplicate code

* fix: missing import in NamespaceTransformer.go

* ci: allow manual trigger of pipeline in fork

* Revert "ci: allow manual trigger of pipeline in fork"

This reverts commit 8948788fe2.

* fix: test cases

* chore: fix code comment was on wrong line

* chore: fix code comment was on wrong line pt2

plugin/builtin/namespacetransformer/NamespaceTransformer_test.go

@@ -9,9 +9,9 @@ import (
 
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
+	"sigs.k8s.io/kustomize/api/konfig"
 	"sigs.k8s.io/kustomize/api/provider"
 	"sigs.k8s.io/kustomize/api/resmap"
-	"sigs.k8s.io/kustomize/api/resource"
 	kusttest_test "sigs.k8s.io/kustomize/api/testutils/kusttest"
 	kyaml "sigs.k8s.io/kustomize/kyaml/yaml"
 )
@@ -779,15 +779,12 @@ kind: Service
 metadata:
   name: svc
   namespace: helm-ns
+  annotations:
+    this-should-be-keept: "true"
 `))
 	require.NoError(t, err)
 	r := rm.Resources()[0]
-	origin := &resource.Origin{
-		ConfiguredBy: kyaml.ResourceIdentifier{
-			TypeMeta: kyaml.TypeMeta{APIVersion: "builtin", Kind: "HelmChartInflationGenerator"},
-		},
-	}
-	require.NoError(t, r.SetOrigin(origin))
+	require.NoError(t, r.RNode.PipeE(kyaml.SetAnnotation(konfig.HelmGeneratedAnnotation, "true")))
 
 	rm, err = th.RunTransformerFromResMap(`
 apiVersion: builtin
@@ -801,6 +798,8 @@ metadata:
 	th.AssertActualEqualsExpectedNoIdAnnotations(rm, `apiVersion: v1
 kind: Service
 metadata:
+  annotations:
+    this-should-be-keept: "true"
   name: svc
   namespace: helm-ns
 `)