refactor(server): Cosmetic improvements in ua_services_method.c
refactor(server): Cosmetic improvements in ua_services_method.c

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