Tab-Key navigating between attributes of a new added column the focus jumps to 'Table Name'-Field (4329428)

Tab-Key navigating between attributes of a new added column the focus jumps to 'Table Name'-Field of the form.

When adding columns to an existing table to navigate between attributes (Type, Length, Scale...) of the new column. Each time, the 'Tab'-key is pressed, the focus changes to the 'Table Name'-Field of the form.
In order to navigate to the next attribute, you have to enter the 'Tab'-Key' 4 times.
In Version 5.5 it was easy to navigate back and forth using the 'Shift-Tab'- and 'Tab'- keys just once.