Account Type Promotions; Broker Range filter not working as expected

Account Type Promotion "Broker" Range filter not working as expected where the Account does not have a Broker defined.

This is especially true where the range is a not or excluding range, e.g. "!B".

The following should now work as expected:

• To exclude all Promotions where the Account's Broker is not "B".
• !B
• Note, this will include Promotions if the Account's Broker is not defined.
• To exclude all Promotions where the Account's Broker is not "B" or not defined.
• !<null>,!B
• This means exclude <null> (i.e. where the Broker is not defined) and exclude "B"
• This will only include Promotions if the Account's Broker is "B".