v1: Fix --state-values-set to override values of environments colocated with releases (#705)

test/integration/test-cases/cli-overwrite-environment-values/input/base.yaml

@@ -0,0 +1 @@
+ns: test1

test/integration/test-cases/cli-overwrite-environment-values/input/config.yaml

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+chartifyTempDir: environment_overwrite_values
+helmfileArgs:
+- template
+- --state-values-set
+- ns=test3

test/integration/test-cases/cli-overwrite-environment-values/input/input.yaml

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+environments:
+  default:
+    values:
+      - base.yaml
+      - override.yaml
+
+repositories:
+  - name: bitnami
+    url: https://charts.bitnami.com/bitnami
+
+releases:
+  - name: test
+    chart: bitnami/nginx
+    namespace: {{ .Values.ns }}
+    version: 13.2.27
+    values:
+      - values.yaml.gotmpl

test/integration/test-cases/cli-overwrite-environment-values/input/input_v1.yaml.gotmpl

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+environments:
+  default:
+    values:
+      - base.yaml
+      - override.yaml
+---
+repositories:
+  - name: bitnami
+    url: https://charts.bitnami.com/bitnami
+
+releases:
+  - name: test
+    chart: bitnami/nginx
+    namespace: {{ .Values.ns }}
+    version: 13.2.27
+    values:
+      - values.yaml.gotmpl

test/integration/test-cases/cli-overwrite-environment-values/input/override.yaml

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+ns: test2

test/integration/test-cases/cli-overwrite-environment-values/input/values.yaml.gotmpl

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+image:
+  tag: {{ .Values.ns }}