RFR: 7263: JMC displaying long value in scientific notation

[Suchita Chaturvedi]

This PR addresses the formatting issue for the certificate Ids for X509 Certificate and X509 Validation events.

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Commit messages:
 - 7263: JMC displaying long value in scientific notation

Changes: https://git.openjdk.org/jmc/pull/564/files
  Webrev: https://webrevs.openjdk.org/?repo=jmc&pr=564&range=00
  Issue: https://bugs.openjdk.org/browse/JMC-7263
  Stats: 5 lines in 2 files changed: 2 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jmc/pull/564.diff
  Fetch: git fetch https://git.openjdk.org/jmc.git pull/564/head:pull/564

PR: https://git.openjdk.org/jmc/pull/564