code: function expandFields(obj) {
  		var out = {};
  		
  		_.forEach(obj, function(val, key) {
  			if (_.includes(key, '.')) {
  				_.set(out, key, val);
  			}
  			else {
  				out[key] = val;
  			}
  		});
  
  		return out;
  	}
docs: since filters with dot notation return field names with dots, expand those fields and remove the dot named field