[jdk25u-dev] RFR: 8353755: Add a helper method to Util - findComponent()

[Goetz Lindenmaier]

I backport this for parity with 21.0.11-oracle, i.e. we should have this in 25, too.

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Commit messages:
 - Backport 354910381a9319723d43a6182269b5449c02a527

Changes: https://git.openjdk.org/jdk25u-dev/pull/115/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk25u-dev&pr=115&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8353755
  Stats: 54 lines in 1 file changed: 38 ins; 2 del; 14 mod
  Patch: https://git.openjdk.org/jdk25u-dev/pull/115.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u-dev.git pull/115/head:pull/115

PR: https://git.openjdk.org/jdk25u-dev/pull/115