hide increase/decrease buttons from nk_property_*()

[efa]

Using:
nk_edit_string_zero_terminated()
I got a compact widget and node windows:
https://github.com/efa/PowerBudget/blob/main/PowerBudgetGUI.png
but cannot get to right update for double values.

So I changed to:
nk_property_double()
now the update of double values work, but the widget has the increase/decrase arrow that waste space.
I had to increase the size from 50 to 70 pixel for each value entry, so from 256 to 316 of node windows.
I tryed to use "###name" (# autohash, ## skip label, ### skip label and button)
and disabling /* execute right/left button */ code in:
nk_do_property()
on name[1]=='#', but the space is still reserved and left blank.

I also tryed to comment the:

    /* left decrement button */
    left.h = font->height/2;
...

calculated fill in the same function, but wont work.

Is there a method to hide increase/decrease button to save space?