[jdk13u-dev] RFR: 8221823: Requested JDialog width is ignored

[Yuri Nesterenko]

This should be a "clean"  backport of a fix made in 15 and existing in 11. Need to test it using our internal machinery...

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Commit messages:
 - Backport 8d2aa62bd94ffe63175dd91ba6442eaf08c6ba69

Changes: https://git.openjdk.java.net/jdk13u-dev/pull/108/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk13u-dev&pr=108&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8221823
  Stats: 171 lines in 9 files changed: 146 ins; 6 del; 19 mod
  Patch: https://git.openjdk.java.net/jdk13u-dev/pull/108.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk13u-dev pull/108/head:pull/108

PR: https://git.openjdk.java.net/jdk13u-dev/pull/108