RFR: 8354095: Open some JTable bugs 5 [v4]

[Alisen Chung]

> Updating and opening some JTable bugs

Alisen Chung has updated the pull request incrementally with two additional commits since the last revision:

 - manual
 - update tests

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/24734/files
  - new: https://git.openjdk.org/jdk/pull/24734/files/b514a695..94446eee

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24734&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24734&range=02-03

  Stats: 27 lines in 3 files changed: 6 ins; 14 del; 7 mod
  Patch: https://git.openjdk.org/jdk/pull/24734.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24734/head:pull/24734

PR: https://git.openjdk.org/jdk/pull/24734