[examples] Run PluginFinder

[alxbilger]

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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).

[alxbilger]

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

[hugtalbot]

It reminds me that we should in general browse all scene warnings to fix them

[alxbilger]

https://github.com/alxbilger/PluginFinder

[alxbilger]

It reminds me that we should in general browse all scene warnings to fix them

Good luck. From the last build:

Scene testing summary:
- 675 scene(s) tested
- 675 success(es)
- 2184 warning(s)
- 0 error(s)
- 0 crash(es)