RFR: 8292353: TableRow vs. TreeTableRow: inconsistent visuals in cell selection mode [v6]

[Andy Goryachev]

> The issue is caused by TreeTableRow incorrectly selected when cell selection mode is enabled.
> 
> Changes:
> - modified TreeTableRow.updateSelection()

Andy Goryachev has updated the pull request incrementally with two additional commits since the last revision:

 - 8292353: typo
 - 8292353: typo

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

Changes:
  - all: https://git.openjdk.org/jfx/pull/875/files
  - new: https://git.openjdk.org/jfx/pull/875/files/326fcce4..3ced43d0

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=875&range=05
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=875&range=04-05

  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jfx/pull/875.diff
  Fetch: git fetch https://git.openjdk.org/jfx pull/875/head:pull/875

PR: https://git.openjdk.org/jfx/pull/875