[All] In RequiredPlugin, use pluginName instead of name

[alxbilger]

I used the following regular expression to find them:

RequiredPlugin(.*)name(?!.*pluginName)

[with-all-tests]

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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]

[fredroy]

A pass in Claude (check if missing cases, and consistencies of the modified files)

XML — examples/Validation/cantilever_beam/CantileverBeam_ElementFEMForceField.xml (MISSED)
This file has 15 <RequiredPlugin name="Sofa.Component..."/> entries that were not converted to pluginName=
 
All changes in the commit look correct, except for the loadHDR.py bug which is already fixed in 1182b6d