Use correct namespaces for elements which consist of an array.

When elements are in an array, the enclosing element gets the wrong namespace (given that it is from another namespace).

This is covered in the request-response-sample "addList__complex_extension_namespace_for_arrays", but in a wrong way.

The expected request from the test:
```xml
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns:tns="urn:platform_2013_2.webservices.netsuite.com" xmlns:platformMsgs="urn:messages_2013_2.platform.webservices.netsuite.com" xmlns:platformFaults="urn:faults_2013_2.platform.webservices.netsuite.com">
	<soap:Body>
		<platformMsgs:addList xmlns:platformMsgs="urn:messages_2013_2.platform.webservices.netsuite.com" xmlns="urn:messages_2013_2.platform.webservices.netsuite.com">
			<platformCore:record xsi:type="ns1:Contact" xmlns:ns1="urn:relationships_2013_2.lists.webservices.netsuite.com" xmlns:platformCore="urn:core_2013_2.platform.webservices.netsuite.com">
				<ns1:firstName>First-1400867779067</ns1:firstName>
				<ns1:lastName>Sullivan</ns1:lastName>
				<ns1:phone>800-555-2819</ns1:phone>
				<ns1:subsidiary internalId="1" xsi:type="ns2:RecordRef" xmlns:ns2="urn:core_2013_2.platform.webservices.netsuite.com"/>
			</platformCore:record>
			<platformCore:record xsi:type="ns3:Contact" xmlns:ns3="urn:relationships_2013_2.lists.webservices.netsuite.com" xmlns:platformCore="urn:core_2013_2.platform.webservices.netsuite.com">
				<ns3:firstName>aLFirst-1400867779067</ns3:firstName>
				<ns3:lastName>Sullivan</ns3:lastName>
				<ns3:phone>800-555-2819</ns3:phone>
				<ns3:subsidiary internalId="1" xsi:type="ns4:RecordRef" xmlns:ns4="urn:core_2013_2.platform.webservices.netsuite.com"/>
			</platformCore:record>
		</platformMsgs:addList>
	</soap:Body>
</soap:Envelope>
```

The correct request would be:
```xml
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns:tns="urn:platform_2013_2.webservices.netsuite.com" xmlns:platformMsgs="urn:messages_2013_2.platform.webservices.netsuite.com" xmlns:platformFaults="urn:faults_2013_2.platform.webservices.netsuite.com">
	<soap:Body>
		<platformMsgs:addList xmlns:platformMsgs="urn:messages_2013_2.platform.webservices.netsuite.com" xmlns="urn:messages_2013_2.platform.webservices.netsuite.com">
			<platformMsgs:record xsi:type="ns1:Contact" xmlns:ns1="urn:relationships_2013_2.lists.webservices.netsuite.com" xmlns:platformCore="urn:core_2013_2.platform.webservices.netsuite.com">
				<ns1:firstName>First-1400867779067</ns1:firstName>
				<ns1:lastName>Sullivan</ns1:lastName>
				<ns1:phone>800-555-2819</ns1:phone>
				<ns1:subsidiary internalId="1" xsi:type="ns2:RecordRef" xmlns:ns2="urn:core_2013_2.platform.webservices.netsuite.com"/>
			</platformMsgs:record>
			<platformMsgs:record xsi:type="ns3:Contact" xmlns:ns3="urn:relationships_2013_2.lists.webservices.netsuite.com" xmlns:platformCore="urn:core_2013_2.platform.webservices.netsuite.com">
				<ns3:firstName>aLFirst-1400867779067</ns3:firstName>
				<ns3:lastName>Sullivan</ns3:lastName>
				<ns3:phone>800-555-2819</ns3:phone>
				<ns3:subsidiary internalId="1" xsi:type="ns4:RecordRef" xmlns:ns4="urn:core_2013_2.platform.webservices.netsuite.com"/>
			</platformMsgs:record>
		</platformMsgs:addList>
	</soap:Body>
</soap:Envelope>
```

The "record"-element in the "addList"-message should have the namespace "platformMsgs".

SoapUI verifies that (after fixing the missing imports):
```xml
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:urn="urn:messages_2013_2.platform.webservices.netsuite.com" xmlns:urn1="urn:core_2013_2.platform.webservices.netsuite.com">
   <soapenv:Header/>
   <soapenv:Body>
      <urn:addList>
         <!--1 or more repetitions:-->
         <urn:record>
            <!--Optional:-->
            <urn1:nullFieldList>
               <!--Zero or more repetitions:-->
               <urn1:name>?</urn1:name>
            </urn1:nullFieldList>
         </urn:record>
      </urn:addList>
   </soapenv:Body>
</soapenv:Envelope>
```

My commit fixes that mistake. I don't have an extra test for that, but on the other site, I didn't want to change someone elses test too, before someone else verified that the test is wrong.

Best regards!