refactor: use knowledge about the last monitoreditem in this period to speed up reinsertion
refactor: use knowledge about the last monitoreditem in this period to
speed up reinsertion

JGrothoff/open62541,JGrothoff/open62541,bostjanv/open62541,StalderT/open62541,jpfr/open62541,bostjanv/open62541,jpfr/open62541,open62541/open62541,open62541/open62541,jpfr/open62541,AGIsmail/open62541,StalderT/open62541,open62541/open62541,JGrothoff/open62541,StalderT/open62541,StalderT/open62541,jpfr/open62541,open62541/open62541,JGrothoff/open62541,AGIsmail/open62541