Gtk: Fix setting padding/spacing before rows have been set on a TableLayout.
Gtk: Fix setting padding/spacing before rows have been set on a TableLayout.

PowerOfCode/Eto,bbqchickenrobot/Eto-1,l8s/Eto,l8s/Eto,bbqchickenrobot/Eto-1,PowerOfCode/Eto,bbqchickenrobot/Eto-1,l8s/Eto,PowerOfCode/Eto