Fixes #504, #506

Fixes #504 (closed) - Can't skip Duplicate Handling Step if no fields selected

Fixes #506 (closed) - Workflow Update Fields Task not allowing options

layouts/v7/modules/Settings/Workflows/FieldExpressions.tpl

@@ -19,6 +19,8 @@
<div class="col-sm-4">
<select class="textType">
<option data-ui="textarea" value="rawtext">{vtranslate('LBL_RAW_TEXT',$QUALIFIED_MODULE)}</option>
+						<option data-ui="textarea" value="fieldname">{vtranslate('LBL_FIELD_NAME',$QUALIFIED_MODULE)}</option>
+						<option data-ui="textarea" value="expression">{vtranslate('LBL_EXPRESSION',$QUALIFIED_MODULE)}</option>
</select>
</div>
<div class="col-sm-4 hide useFieldContainer">