Assigned models do not appear correctly in built DS app

Steps to reproduce:

• Create a general empty project in DS
• Enable automatic cmake generation (File -> Export)
• Create new model "mymodel" and add few rows to it with string data
• Add combobox to 2D View
• Assign mymodel to combobox
• Add ListView to 2D View
• Save all changes
• Open and configure DS project in QtCreator (I used Qtc 13.0.1 + Qt6.7.1)
• Build and run
• -> Combobox is empty, listview does not look correct. Application output shows "qml:JSON parsing failed + ReferenceError: colorCode is not defined, Unable to assign [undefined] to QString
• See attached pictures and app output
• Tested on Windows10 with latest QDS4.5 snapshot