In stock OTRS, activated DynamicFields are shortened in the TicketZoom. With this addon, you can define which DynamicFields should be shown in full length.
You can simply set the value in SysConfig to 2 instead of 1....
The code repository and a bugtracker is available at http://github.com/reneeb/otrs-TicketZoomDynamicFieldDisplay.
This addon is licensed under the terms of AGPL 3.