fix: Add missing support for extraEnv

Author: B&R

generate/chart/_helpers.tpl

@@ -27,9 +27,8 @@ containers:
           - name: BR_META_NAME
             value: '{{ include "resourceName" . }}'
           {{- if hasKey .Values "extraEnv" }}
-          {{- range $key, $value := .Values.extraEnv }}
-          - name: "{{ $key }}"
-            value: "{{ $value }}"
+          {{- range $env := .Values.extraEnv }}
+          - {{ toJson $env.name }}
           {{- end }}
           {{- end }}
       envFrom: