Replace GrafikArrived with GraphicArrived

Change-Id: I626e0039a01e62eeae994b1c423cc6f8aa359c06
Reviewed-on: https://gerrit.libreoffice.org/8087
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>