[C++][Dataset] Extract IpcFragmentScanOptions, ParquetFragmentScanOptions

[asfimport]

Follow-up to ARROW-9749.

Reporter: David Li / @lidavidm
Assignee: David Li / @lidavidm

Related issues:

• [C++][Dataset] Extract format-specific scan options from FileFormat (relates to)

PRs and other links:

• GitHub Pull Request #9790

_{Note: This issue was originally created as ARROW-11972. Please see the migration documentation for further details.}

[asfimport]

Ben Kietzman / @bkietz:
Issue resolved by pull request 9790
#9790