[jdk17u] RFR: 8195675: Call to insertText with single character from custom Input Method ignored [v2]

[Steven Loomis]

> Hi all,
> 
> This pull request contains a backport of commit [b8f2ec90](https://github.com/openjdk/jdk/commit/b8f2ec9091f9f7e5f4611991d04dd8aa113b94fd) https://github.com/openjdk/jdk/pull/17921 from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by Steven Loomis on 28 May 2024 and was reviewed by Phil Race.
> 
> Thanks!

Steven Loomis has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:

  Backport b8f2ec9091f9f7e5f4611991d04dd8aa113b94fd

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

Changes:
  - all: https://git.openjdk.org/jdk17u/pull/403/files
  - new: https://git.openjdk.org/jdk17u/pull/403/files/6482fa74..8247318b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u&pr=403&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u&pr=403&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk17u/pull/403.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u.git pull/403/head:pull/403

PR: https://git.openjdk.org/jdk17u/pull/403