RFR: 8339460: CDS error when module is located in a directory with space in the name [v2]

[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.

Maxim Kartashev has updated the pull request incrementally with one additional commit since the last revision:

  Improved the test and excluded it from hotspot_appcds_dynamic

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Changes:
  - all: https://git.openjdk.org/jdk/pull/20987/files
  - new: https://git.openjdk.org/jdk/pull/20987/files/1330cdeb..9cba7ab0

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20987&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20987&range=00-01

  Stats: 48 lines in 2 files changed: 22 ins; 3 del; 23 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