regression from
commit 62efb18866
use comphelper::WeakComponentImplHelper in SlideShowVie
Switch notifyEach to leave the mutex locked after being called,
because that seems to compose better - because after a call
it is in the same state that was when we entered the call.
Change-Id: I42e80cc7be1b65ed8cab24ab7c11210e056d916d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/128723
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Noel Grandin
4304947164