RFR: 8339460: CDS error when module is located in a directory with space in the name

[Maxim Kartashev]

The crux of the problem is that path names in CDS are saved as URIs and subsequently "converted" back to path names simply by stripping off the prefix without appropriate conversion of the rest of the name. This commit adds such a conversion.

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Commit messages:
 - 8339460: CDS error when module is located in a directory with space in the name

Changes: https://git.openjdk.org/jdk/pull/20987/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20987&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8339460
  Stats: 277 lines in 9 files changed: 266 ins; 2 del; 9 mod
  Patch: https://git.openjdk.org/jdk/pull/20987.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20987/head:pull/20987

PR: https://git.openjdk.org/jdk/pull/20987