Attempt two to fix ospray reinit crashes.

This ospray change has a more rigorous test to see if a function's library is stale. Local tests show it fixes state restores and resets at least 20x in a row.

The upstream merge request has been updated.

Backport: release

changed milestone to %5.7

Do: test

This merge request has been queued for testing. Test results may be viewed on:

• CDash (master)
• CDash (release)
• Buildbot (master) (only visible from inside Kitware)
• Buildbot (release) (only visible from inside Kitware)

Branch-at-master: 15503b2f
Branch-at-release: 15503b2f

@ethan.stam - please review

+1 Tested on mac. I could connect to a source build and it didn't crash on a reset

Do: merge

merged

mentioned in commit 525eaade

mentioned in commit 349723db

mentioned in issue paraview#19186 (closed)

mentioned in issue paraview#19191 (closed)

mentioned in issue paraview#19120 (closed)

mentioned in issue paraview#19189 (closed)

mentioned in issue paraview#18981 (closed)