style(server): Remove long lines in /server/ua_subscription_events.c
style(server): Remove long lines in /server/ua_subscription_events.c

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