Account Payment Arrangement and Promise Wizards "Account to Update" DBCombo not read only when launched from the Account

When launched from the Account, the Account Payment Arrangement and Promise wizards do not have their Account DBCombos read only, meaning that a User could change the Account they were being applied to.

This behaviour was incorrect and has been fixed. Now, if launched from an Account the DBCombos will be read only. If launched from an Application Shortcut (in the Shortcuts Task bar, for example) without an Account, then they will not be read only and one can be manually selected.