RFR: 8369206: jpackage should not set R/O permission on app launchers [v2]

[Alexey Semenyuk]

> - Remove redundant `setWritable(true, true)` / `setReadOnly()` pair in the code updating resources of launchers on Windows

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

  ExecutableRebrander: fix a typo in the comment

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Changes:
  - all: https://git.openjdk.org/jdk/pull/28305/files
  - new: https://git.openjdk.org/jdk/pull/28305/files/012c70c0..305b00ce

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=28305&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28305&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/28305.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28305/head:pull/28305

PR: https://git.openjdk.org/jdk/pull/28305