fix: add missing helm_home argument to client init

Refs salt-formulas/salt-formula-helm#2
diff --git a/helm/client_installed.sls b/helm/client_installed.sls
index 3c081a1..0a45a6b 100644
--- a/helm/client_installed.sls
+++ b/helm/client_installed.sls
@@ -34,7 +34,7 @@
 
 prepare_client:
   cmd.run:
-    - name: {{ constants.helm.cmd }} init --client-only
+    - name: {{ constants.helm.cmd }} init --client-only --home {{ config.helm_home }}
     - unless: test -d {{ config.helm_home }}
     - require:
       - file: {{ config.bin }}