[SofaHaptics] Add multithread test on LCPForceFeedback component

[epernod]

test concurrent access to LCPForceFeedback computeforce from another thread

This PR depends on #1576

---

By submitting this pull request, I acknowledge that
I have read, understand, and agree SOFA Developer Certificate of Origin (DCO).

---

Reviewers will merge this pull-request only if

• it builds with SUCCESS for all platforms on the CI.
• it does not generate new warnings.
• it does not generate new unit test failures.
• it does not generate new scene test failures.
• it does not break API compatibility.
• it is more than 1 week old (or has fast-merge label).

[epernod]

[ci-build][with-all-tests]

[hugtalbot]

10 days old, this looks fine to me but I am not an intensive user as @courtecuisse or @ChristianDuriez
I would suggest to merge if no further comment

[hugtalbot]

However it seems to add a failing test on the CI: could this be due to the differences noticed between your machine and the CI?
@epernod @guparan