[jfx17u] RFR: 8300893: Wrong state after deselecting two or more cells of a TableView selection

[Johan Vos]

Almost clean patch for 
[PATCH] 8300893: Wrong state after deselecting two or more cells of a TableView selection

(required changes in (c) date)

Reviewed-by: aghaisas, angorya

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Commit messages:
 - 8300893: Wrong state after deselecting two or more cells of a TableView selection

Changes: https://git.openjdk.org/jfx17u/pull/120/files
 Webrev: https://webrevs.openjdk.org/?repo=jfx17u&pr=120&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8300893
  Stats: 274 lines in 4 files changed: 247 ins; 5 del; 22 mod
  Patch: https://git.openjdk.org/jfx17u/pull/120.diff
  Fetch: git fetch https://git.openjdk.org/jfx17u pull/120/head:pull/120

PR: https://git.openjdk.org/jfx17u/pull/120