1] Log into the system using valid credentials
2] Search and select company
3] Click on Form Builder option from Benadmin section.
4] Click on Venky Demo Form from grid.
5] Add one Listbox field and click on save button.

Actual Result:-
By default option is selected for Listbox field even if no option is selected actually

Expected Result:-
Be default no option should be displayed as selected if no option is selected actually

Please find attached screen shot