fix(chartutil): remove empty lines and a space from rendered chart templates (#7455)

Signed-off-by: sukimoyoi <alice89yryr0@gmail.com>
(cherry picked from commit 0beb9f7040)

pkg/chartutil/create.go

@@ -303,7 +303,7 @@ kind: ServiceAccount
 metadata:
   name: {{ include "<CHARTNAME>.serviceAccountName" . }}
   labels:
-{{ include "<CHARTNAME>.labels" . | nindent 4 }}
+    {{- include "<CHARTNAME>.labels" . | nindent 4 }}
   {{- with .Values.serviceAccount.annotations }}
   annotations:
     {{- toYaml . | nindent 4 }}
@@ -404,7 +404,7 @@ kind: Pod
 metadata:
   name: "{{ include "<CHARTNAME>.fullname" . }}-test-connection"
   labels:
-{{ include "<CHARTNAME>.labels" . | nindent 4 }}
+    {{- include "<CHARTNAME>.labels" . | nindent 4 }}
   annotations:
     "helm.sh/hook": test-success
 spec: