Do not modify configured_views dict

the pillar dict is passed by reference so we should not update it,
update a newly created dict instead

Author: nadvornik

bind/config.sls

@@ -168,8 +168,8 @@ bind_rndc_client_config:
 {%- endif %}
 {% endif %}
 
-{%- set views = salt['pillar.get']('bind:configured_views', {}) %}
-{%- do views.update({False: salt['pillar.get']('bind', {})}) %}{# process non-view zones in the same loop #}
+{%- set views = {False: salt['pillar.get']('bind', {})} %}{# process non-view zones in the same loop #}
+{%- do views.update(salt['pillar.get']('bind:configured_views', {})) %}
 {%- for view, view_data in views.items() %}
 {%- set dash_view = '-' + view if view else '' %}
 {% for zone, zone_data in view_data.get('configured_zones', {}).items() -%}