feat(server): Distinction between the SubscriptionDiagnosticsArray global and per session
feat(server): Distinction between the SubscriptionDiagnosticsArray global and per session

jpfr/open62541,open62541/open62541,jpfr/open62541,JGrothoff/open62541,JGrothoff/open62541,JGrothoff/open62541,open62541/open62541,JGrothoff/open62541,jpfr/open62541,open62541/open62541,jpfr/open62541,open62541/open62541