[jdk19] RFR: 8289223: Canonicalize header ids in foreign API javadocs

[Jorn Vernee]

https://urldefense.com/v3/__https://github.com/openjdk/jdk/pull/8817__;!!ACWV5N9M2RV99hQ!Kkp_j7PnK9AJEJUL817VN56eVeunFZsJPCPgXLt_Dgb1QE4PxZokFGCEF_Cf7KNASIrlkM5xZTNXSGd6ve264vZm$  added a button to copy a link to a section of javadoc to the clipboard.

This cleanup PR canonicalizes all header ids in the java.lang.foreign package to the preferred (non-legacy) style, and adds ids in places where they are missing as well.

In accordance with the Late-Enhancement Request Process [1], this is a `noreg-doc` documentation only change, which does not require an enhancement request.

[1]: https://openjdk.org/jeps/3#Late-Enhancement-Request-Process

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Commit messages:
 - Canonicalize header ids in javadoc

Changes: https://git.openjdk.org/jdk19/pull/75/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk19&pr=75&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8289223
  Stats: 22 lines in 7 files changed: 0 ins; 1 del; 21 mod
  Patch: https://git.openjdk.org/jdk19/pull/75.diff
  Fetch: git fetch https://git.openjdk.org/jdk19 pull/75/head:pull/75

PR: https://git.openjdk.org/jdk19/pull/75