Headers in csvtoxml are set despite option is disabled

[Hooghof]

In the test case below, the option to use the first line of the CSV as headers is disabled. Despite this, the first line is used for XML nodes. possibly related to #700.

Input

ID|Name|Number
1|Pete|1001
2|John|1002
3|Frank|1003
4|Max|1004

Output

<?xml version="1.0" encoding="UTF-8"?>
<items>
    <item>
        <ID>1</ID>
        <Name>Pete</Name>
        <Number>1001</Number>
    </item>
    <item>
        <ID>2</ID>
        <Name>John</Name>
        <Number>1002</Number>
    </item>
    <item>
        <ID>3</ID>
        <Name>Frank</Name>
        <Number>1003</Number>
    </item>
    <item>
        <ID>4</ID>
        <Name>Max</Name>
        <Number>1004</Number>
    </item>
</items>

Expected Output

<?xml version="1.0" encoding="UTF-8"?>
<items>
    <item>
        <string>ID</string>
        <string>Name</string>
        <string>Number</string>
    </item>
    <item>
        <string>1</string>
        <string>Pete</string>
        <string>1001</string>
    </item>
    <item>
        <string>2</string>
        <string>John</string>
        <string>1002</string>
    </item>
    <item>
        <string>3</string>
        <string>Frank</string>
        <string>1003</string>
    </item>
    <item>
        <string>4</string>
        <string>Max</string>
        <string>1004</string>
    </item>
</items>

Test cases
Instance: next and development
Tenant: Regression Tests
Flow: CsvToXml_noheaderpipedelimited