Also check for OTRSBusiness availability if it is not yet installed.
This is needed for the admin notifications.
Fixed: Set of pending time/state not working properly (process management) (bug#10639).
Fixed bug#10857 - JS added too often in AgentTicketOverviewSmall.
Fixed bug#10892 - TicketActionsPerTicket open multiple popups at TicketOverview.
Tidied.
Prohibit dynamic field value storage of just an empty string.