[jdk26] RFR: 8371503: RETAIN_IMAGE_AFTER_TEST do not work for some tests [v2]

[SendaoYan]

> Hi all,
> 
> This pull request contains a backport of commit [34f24131](https://github.com/openjdk/jdk/commit/34f241317ecd7473cfb6dcc2e6e5cf3a40299e2c) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.
> 
> The commit being backported was authored by SendaoYan on 15 Dec 2025 and was reviewed by Leonid Mesnik and David Holmes.
> 
> Thanks!

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

  Add an whitespace after if
  
  Co-authored-by: Andrey Turbanov <turbanoff at gmail.com>

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/28826/files
  - new: https://git.openjdk.org/jdk/pull/28826/files/d66b7695..ae10ac54

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28826&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28826&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/28826.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28826/head:pull/28826

PR: https://git.openjdk.org/jdk/pull/28826