[PixelOverlay] Fix off-by-one error in fppmm fill mode
(cherry picked from commit 4e9154292fa9cb3d4c45f5c39e43321ac87e9c49)
(cherry picked from commit 97925d4bc0a7bd20362c97e9557f379c6ab1a640)
[Binaries] New fppmm binary after bugfix.