o.c.diag.pvmanager.probe: Track secondary view ID

Used to ignore view IDs used by 'restored' views on CSS restart,
re-using them for newly opened probe instances.
pv.manager.probe: Place toolbar item to 'additions' for Eclipse 4
o.c.security.ui: Place toolbar items rel. to 'additions' for Eclipse 4
SNS products: 'additions' in toolbar