I think there is nothing wrong with the stock GTK edit icon. Rather, the problem is that a button for showing/hiding the path field in a file manager should not be using an "edit" icon in the first place. The object is not to edit anything, it is to enter a path.
I think there is nothing wrong with the stock GTK edit icon. Rather, the problem is that a button for showing/hiding the path field in a file manager should not be using an "edit" icon in the first place. The object is not to edit anything, it is to enter a path.