abi#2720 RTF import: handle non-graphic object after a graphic one

Change-Id: I9416b6e7cf3677006215fcbde458ed341c4e3e9e
(cherry picked from commit 3cab1adf19d553663685e8198f0ec3f258a37c36)
Signed-off-by: Michael Stahl <mstahl@redhat.com>