Move post-processing mode's state into SMTK...
... but keep the toolbar button and application side code in CMB.
This also bumps the CI superbuild images forward to match changes in SMTK that this MR requires.
A GitLab update will be applied on May 23, between 8am and 10am, EDT (UTC-04:00). This site may have intermittent delays during that time.
... but keep the toolbar button and application side code in CMB.
This also bumps the CI superbuild images forward to match changes in SMTK that this MR requires.