RFR: 8328648: Remove applet usage from JFileChooser tests bug4150029 [v2]

[Alisen Chung]

> Removing applet usage from manual JFileChooser tests

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

  force fail

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18415/files
  - new: https://git.openjdk.org/jdk/pull/18415/files/4ed3d97e..630d78c9

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18415&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18415&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/18415.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18415/head:pull/18415

PR: https://git.openjdk.org/jdk/pull/18415