Changes

[Config] Fix findcxxopt when version is not specified (#4564)

* Remove error and send warning when cxxopt is found but version mismatch

* [all] Install FindTinyXML2  (#4545)

Install FindTinyXML2 for OOT compilation using the binaries

* [Visual] Fix cmake config  (#4555)

Remove the find_package(tinyxml2 REQUIRED) because the link is private

* Set link to tinyxml2 to PRIVATE and fix config file

* Check if version is specified before checking the version to avoid errors

* Set cxx_opts_FOUND when the version is not required

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Co-authored-by: Hugo <hugo.talbot@sofa-framework.org>