[jdk11u-dev] RFR: 8075909: [TEST_BUG] The regression-swing case failed as it does not have the 'Open' button when select 'subdir' folder with NimbusLAF

[Goetz Lindenmaier]

I backport this for parity with 11.0.14-oracle.

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Commit messages:
 - Backport 0e9c5aedc84eb254b386c7f03963125f7aacb888

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/466/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=466&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8075909
  Stats: 14 lines in 1 file changed: 5 ins; 5 del; 4 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/466.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/466/head:pull/466

PR: https://git.openjdk.java.net/jdk11u-dev/pull/466