RFR: 8315655: [macos] Right click and dragging over a component with a popup menu will open the popup [v5]

[Alisen Chung]

> Issue is a mouse drag will trigger a popup in macos, but not in linux or windows.
> The solution is to add a check for a mouse pressed event to show popup and prevent mouse entered events from triggering the popup

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

 - update copyright years
 - automated test
 - changed test to automatic

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/19569/files
  - new: https://git.openjdk.org/jdk/pull/19569/files/fb89d2f7..ed5d5393

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=19569&range=04
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=19569&range=03-04

  Stats: 68 lines in 3 files changed: 41 ins; 2 del; 25 mod
  Patch: https://git.openjdk.org/jdk/pull/19569.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19569/head:pull/19569

PR: https://git.openjdk.org/jdk/pull/19569