RFR: 8330462: StringIndexOutOfBoundException when typing anything into TextField [v25]

[Oliver Kopp]

> Fixes https://bugs.openjdk.org/browse/JDK-8330462.
> 
> If the parameter `maxLength` is larger than `Integer.MAX_VALUE - start`, then an addition of `start` to it leads to a negative value. This is "fixed" by using `Math.max` comparing the `maxLength` and `maxLength + start`.

Oliver Kopp has updated the pull request incrementally with one additional commit since the last revision:

  Adress review comments

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Changes:
  - all: https://git.openjdk.org/jfx/pull/1442/files
  - new: https://git.openjdk.org/jfx/pull/1442/files/92155148..45a56c6f

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jfx&pr=1442&range=24
 - incr: https://webrevs.openjdk.org/?repo=jfx&pr=1442&range=23-24

  Stats: 19 lines in 2 files changed: 1 ins; 11 del; 7 mod
  Patch: https://git.openjdk.org/jfx/pull/1442.diff
  Fetch: git fetch https://git.openjdk.org/jfx.git pull/1442/head:pull/1442

PR: https://git.openjdk.org/jfx/pull/1442