fix: create condition source object with a parent
fix: create condition source object with a parent

Without a parent, the error "Node for event must be in ObjectsFolder!"
occurs when an event is sent.

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