Enable in content views the use of aggregates in NXQL targeting VCS

In a content view targeting VCS, the syntax checking chokes on the way the NXQL result consisting in an aggregate is spelled.

Aggregates supported in NXQL should also be supported in content view displaying the result of such a query.

Specifically, querying in NXQL SUM(moncompte:compte1) , displaying this currently throws for instance

Property 'SUM(moncompte' not found on type org.nuxeo.ecm.platform.query.api.PageSelection
value="#{value['SUM(moncompte']['compte1)']}": Property 'SUM(moncompte' not found on type org.nuxeo.ecm.platform.query.api.PageSelection

Depending on the syntax entered for SUM(moncompte:compte1), one can get various errors...