Replaces hardcoded use of ISO-8859-1 charset in wsdl with the configured charset from soap_defencoding and thus fixes the error "Charset from HTTP Content-Type 'UTF-8' does not match encoding from XML declaration 'ISO-8859-1'" for clients consuming the wsdl, when the server defaults to UTF-8.
Replaces hardcoded use of ISO-8859-1 charset in wsdl with the configured charset from soap_defencoding and thus fixes the error "Charset from HTTP Content-Type 'UTF-8' does not match encoding from XML declaration 'ISO-8859-1'" for clients consuming the wsdl, when the server defaults to UTF-8.