finBL.AuditFunctions.AuditAdd; incorrectly validating sourcePk parameter

The finPOWER Connect Business Layer function finBL.AuditFunctions.AuditAdd was incorrectly validating the sourcePk parameter.

It was always validating that the sourcePk exists in the Account table - it should have checked the related sourceType table.

Note, where sourceType is isefinAuditSourceType.CloudConnectSettings, isefinAuditSourceType.GlobalSettings or isefinAuditSourceType.UserPreferences the function will now return an error - as they are for system use only.