RFR: 8264127: ListCell editing status is true, when index changes while editing [v13]

[Florian Kirmaier]

> Fixing ListCell editing status is true, when index changes while editing.

Florian Kirmaier has updated the pull request incrementally with one additional commit since the last revision:

  8264127
  More changes, simplifications and tests based on CR

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Changes:
  - all: https://git.openjdk.java.net/jfx/pull/441/files
  - new: https://git.openjdk.java.net/jfx/pull/441/files/f4af1d26..1fa3738a

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jfx&pr=441&range=12
 - incr: https://webrevs.openjdk.java.net/?repo=jfx&pr=441&range=11-12

  Stats: 54 lines in 2 files changed: 46 ins; 6 del; 2 mod
  Patch: https://git.openjdk.java.net/jfx/pull/441.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx pull/441/head:pull/441

PR: https://git.openjdk.java.net/jfx/pull/441