Opening Subsurface for the first time with heartbeat graph visible
and then immediately doing File->New shows the logo/background in the
profile space while hiding everything except the heartbeat graph.
This patch makes sure that the graph is hidden with everything
else on an empty profile state.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>