[jdk21u-dev] RFR: 8339962: Open source AWT TextField tests - Set1

[Bara' Hasheesh]

Backport JDK-8339962 for parity with oracle. 

Clean backport, adding new tests, added tests pass.

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Commit messages:
 - Backport 31849127a06e448c705a61c536f51fc037bc4979

Changes: https://git.openjdk.org/jdk21u-dev/pull/1857/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1857&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8339962
  Stats: 437 lines in 3 files changed: 437 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1857.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1857/head:pull/1857

PR: https://git.openjdk.org/jdk21u-dev/pull/1857