A former actress on Melrose Place convicted in a fatal drunken driving crash more than a decade ago in New Jersey has been turned down in her attempt to have her state prison sentence reduced. An appeals court issued a ruling Tuesday that Judge Angela Borkowski correctly gave more weight to aggravating factors against Amy Locane — such as the severity of the offense and her decision to drive while clearly intoxicated — than to mitigating factors such as Locane’s lack of a prior criminal record and efforts at rehabilitation. The court also rejected Locane’s argument that Borkowski should have r…