Adds the missing xsi:type argument for the <argument> node. Without the xsi:type present, errors are shown during DOM validation:
Example error
```
In Filesystem.php line 168:
Invalid Document
Element 'argument': The type definition is abstract.
Line: 11
Internal error: xmlSchemaXPathProcessHistory, The state object to be removed is not the first in the list.
Line: 10
Internal error: xmlSchemaValidateChildElem, calling xmlRegExecPushString2().
Line: 104
Internal error: xmlSchemaValidateElem, calling xmlSchemaStreamValidateChildElement().
Line: 104
Internal error: xmlSchemaDocWalk, calling xmlSchemaValidateElem().
Line: 104
```
Adds the missing
xsi:type
argument for the<argument>
node. Without thexsi:type
present, errors are shown during DOM validation:Example error
``` In Filesystem.php line 168: Invalid Document Element 'argument': The type definition is abstract. Line: 11 Internal error: xmlSchemaXPathProcessHistory, The state object to be removed is not the first in the list. Line: 10 Internal error: xmlSchemaValidateChildElem, calling xmlRegExecPushString2(). Line: 104 Internal error: xmlSchemaValidateElem, calling xmlSchemaStreamValidateChildElement(). Line: 104 Internal error: xmlSchemaDocWalk, calling xmlSchemaValidateElem(). Line: 104 ```