[jdk21u-dev] RFR: 8355779: When no "signature_algorithms_cert" extension is present we do not apply certificate scope constraints to algorithms in "signature_algorithms" extension

[Goetz Lindenmaier]

I backport this for parity with 21.0.9-oracle.

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Commit messages:
 - Backport 34807df7627b067f750578987c941213a5f8336a

Changes: https://git.openjdk.org/jdk21u-dev/pull/2054/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=2054&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8355779
  Stats: 95 lines in 1 file changed: 47 ins; 44 del; 4 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/2054.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/2054/head:pull/2054

PR: https://git.openjdk.org/jdk21u-dev/pull/2054