def person_list
      return Person.none if @query.blank?

      result = select_display_name_alias_and_guids(query: Person)
      result.display_name_like(query: "%#{@query}%")
    end
def person_list
      return Person.none if @query.blank?

      result = select_display_name_alias_and_guids(query: Person)
      result.display_name_like(query: "%#{@query}%")
    end
Build the list of people based on the query

 @return [ActiveRecord::NullRelation] If query is nil or "", Person.none
 is returned
 @return [ActiveRecord::Relation] If a query is provided the display_name
 and guid
 for all records that match the query