Revert "fixed arrow centering."
Revert "fixed arrow centering."

This reverts commit 37fef890894fffb929a87be1d45126a38a6b6e34.

blue-shell/carbon-gtk,KDE/oxygen-gtk,blueshell-next/carbon-gtk,blueshell-next/carbon-gtk,blue-shell/carbon-gtk,KDE/oxygen-gtk