Add some validations
Add some validations

- If SQL 2012 or higher only validate databases with ContainmentType =
NONE
- When databases are passed, get $db object instead only name

kozloski/dbatools,SirCaptainMitch/dbatools,dsolodow/dbatools,Splaxi/dbatools,wsmelton/dbatools,alevyinroc/dbatools,sqlpadawan/dbatools