Backspace Button Size Too Small in Arabic Layout

[sajjad000]

In the Arabic layout, the size of the backspace button is small, please enlarge its size

futo keyboard :

Even after changing the height of the keyboard, the backspace button is equal in size to other buttons, the backspace button is supposed to be the largest of the other buttons and not equal to their size :

While in the HeliBoard keyboard, the backspace button is large in size and is not equal to the size of the other buttons