JWTClaimsSet unable to serialize ZonedDateTime to JSON correctly

[Misagh Moayyed]

Adding a claim with value ZonedDateTime.now(Clock.systemUTC()) to JWTClaimsSet and then calling toString() on that object shows the following JSON string:

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{"aud":"https:\/\/cas.example.org:8443\/cas","sub":"casuser","date-time":{"offset":{"totalSeconds":0},"zone":{"totalSeconds":0}},"successfulAuthenticationHandlers":"SimpleTestUsernamePasswordAuthenticationHandler","iss":"https:\/\/cas.example.org:8443\/cas","exp":1626376626,"iat":1626347826,"jti":"TGT-1-h2ZDZA-ud5VMoPUlyXFl0sEDZsrVCiIr"}

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Note the date-time claim.

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Using JDK 11 with library version9.11.1

[Vladimir Dzhuvinov]

Duplicate of #372.