fix(core): Remove a potential signed integer underflow in the JSON date decoding
fix(core): Remove a potential signed integer underflow in the JSON date decoding

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