[Rev 01] RFR: 8207759: VK_ENTER not consumed by TextField when default Button exists

[Jeanette Winzenburg]

The pull request has been updated with additional changes.

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Added commits:
 - fdf97072: added copyright headers

Changes:
  - all: https://git.openjdk.java.net/jfx/pull/15/files
  - new: https://git.openjdk.java.net/jfx/pull/15/files/93556393..fdf97072

Webrevs:
 - full: https://webrevs.openjdk.java.net/jfx/15/webrev.01
 - incr: https://webrevs.openjdk.java.net/jfx/15/webrev.00-01

  Issue: https://bugs.openjdk.java.net/browse/JDK-8207759
  Stats: 114 lines in 5 files changed: 109 ins; 1 del; 4 mod
  Patch: https://git.openjdk.java.net/jfx/pull/15.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/15/head:pull/15

PR: https://git.openjdk.java.net/jfx/pull/15