RFR: 8349188: LineBorder does not scale correctly

[Rajat Mahajan]

Modified the code to account for border thickness correctly and updated the related tests to make sure we are testing the new change.

Testing done.

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Commit messages:
 - Update ScaledTextFieldBorderTest.java
 - 8349188: Expand bug8033699.java to iterate over all LaFs

Changes: https://git.openjdk.org/jdk/pull/26025/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26025&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8349188
  Stats: 96 lines in 3 files changed: 43 ins; 19 del; 34 mod
  Patch: https://git.openjdk.org/jdk/pull/26025.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26025/head:pull/26025

PR: https://git.openjdk.org/jdk/pull/26025