[jdk21u-dev] RFR: 8343977: Convert java/awt/TextArea/TextAreaCursorTest/HoveringAndDraggingTest to main

[Goetz Lindenmaier]

I backport this for parity with 21.0.9-oracle.

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Commit messages:
 - Backport e2cb64674f5b6b4f000ab1e903fbb75416218bb3

Changes: https://git.openjdk.org/jdk21u-dev/pull/1974/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1974&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8343977
  Stats: 294 lines in 2 files changed: 65 ins; 195 del; 34 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1974.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1974/head:pull/1974

PR: https://git.openjdk.org/jdk21u-dev/pull/1974