fix(core): Remove duplicate cases in JSON string encoding
fix(core): Remove duplicate cases in JSON string encoding

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