not able to remove mandatory attributes from excel export hybris backoffice

[x1111111111]

I have added new action for Order item type for excel export

<context type="Order" component="listviewactions" module="rexelbackoffice" merge-by="type">
     <y:actions xmlns:y="http://www.hybris.com/cockpit/config/hybris" xmlns:advanced-search="http://www.hybris.com/cockpitng/config/advancedsearch" xmlns:c="http://www.hybris.com/cockpitng/config/common" xmlns:df="http://www.hybris.com/cockpitng/component/dynamicForms" xmlns:dsb="http://www.hybris.com/cockpitng/config/dashboard" xmlns:editorArea="http://www.hybris.com/cockpitng/component/editorArea" xmlns:explorer-tree="http://www.hybris.com/cockpitng/config/explorertree" xmlns:grid-view="http://www.hybris.com/cockpitng/component/gridView" xmlns:list-view="http://www.hybris.com/cockpitng/component/listView" xmlns:na="http://www.hybris.com/cockpitng/config/notifications" xmlns:simple-search="http://www.hybris.com/cockpitng/config/simplesearch" xmlns:wz="http://www.hybris.com/cockpitng/config/wizard-config">
     	<y:extended-group qualifier="export" show-group-header="false">
                <y:action action-id="com.hybris.backoffice.widgets.actions.excel.export" property="selectedObjects">
                    <y:parameter>
						<y:name>selectedObjects</y:name>
						<y:value>$_items</y:value>
					</y:parameter>
					<y:parameter>
						<y:name>viewMode</y:name>
						<y:value>textOnly</y:value>
					</y:parameter>
					<y:parameter>
						<y:name>actionName</y:name>
						<y:value>label.export.all</y:value>
					</y:parameter>
                </y:action>
         </y:extended-group>
    </y:actions>
	</context>

Now export except button is visible

But not able to remove mandatory attributes from Included attributes column

REMOVE button is disabled and attrubutes under Included attributes column are also not clickable.

Note: ADD button is working fine

[x1111111111]

@nicolabeghin @lstypka @jawaw @arvind-kumar-avinash geff.h.n.chang

any inputs on this

[former_member857274]

@x1111111111

Are you able to find the solution to this. I need to add more mandatory fields while exporting. Thanks in advance.