Resource & Operation observers: do not pass shared ptrs

Status Job ID Name Coverage
  External
passed cdash

passed ghostflow-branch-check-master

failed smtk@master-kerbin-windows-shared-release+examples+remus

00:08:43

failed smtk@master-moho-linux-shared-relwithdebinfo+examples+private+remus

00:10:49

failed smtk@master-moho-linux-shared-relwithdebinfo+examples+python3+remus+vtk

00:00:06

failed smtk@master-moho-linux-shared-relwithdebinfo+examples+remus

failed smtk@master-moho-linux-shared-relwithdebinfo+examples+remus+vtk

00:09:23

passed smtk@master-norkit-osx-shared-release+examples+matplotlib

00:21:50

failed smtk@master-praxis-windows-shared-release

00:12:26

failed smtk@master-talosiv-osx-shared-release+examples+matplotlib

00:16:39

failed smtk@master-tatooine-osx-shared-release+examples+matplotlib

00:09:05

failed smtk@master-tatooine-osx-shared-release+examples+matplotlib+private

00:10:23

passed cdash

failed smtk@master-moho-linux-shared-relwithdebinfo+examples+remus

00:10:17