fix(nx-cloud): make nx cloud mode overridable

Author: s-wojciechowski

charts/nx-cloud/templates/aggregator/cronjob.yaml

@@ -52,7 +52,7 @@ spec:
               {{- end }}
               env:
                 - name: NX_CLOUD_MODE
-                  value: 'private-enterprise'
+                  value: {{ .Values.global.nxCloudMode | default "private-enterprise" | quote }}
                 - name: NX_CLOUD_APP_URL
                   value: {{ .Values.global.nxCloudAppURL }}
                 {{- if .Values.global.mongodbConnectionString.secretName }}