IPC API of the file provider does not work

[ldorau]

IPC API of the file provider does not work.

Ref: #847

Environment Information

• UMF version (hash commit or a tag): b3bbdd4
• OS(es) version(s): Linux

Please provide a reproduction of the bug:

See: #847
See: https://github.com/oneapi-src/unified-memory-framework/actions/runs/11572419084/job/32212568727?pr=847

How often bug is revealed:

always

[ldorau]

@vinser52 @bratpiorka @lplewa