[primary] use a new rtypevid flag in primary view display controller, allowing to tell the view for a non final relation should be called as an attribute view (eg, not on the target rset)

[cwprops] fix callable vocabulary of cwproperties which were inconsistently called. No more argument, should now simply return a list of (untranslated) values

[vreg] rename select* object id argument to avoid name clash with arbitrary kwargs, just in case...