[21660] Add flow_control, rtps, custom_payload_pool and content_filter to windows example ci testing (backport #5480)

[mergify]

Description

This PR adds the flow_control, rtps, custom_payload_pool and content_filter to windows example ci testing.
In particular, it

• Adds the required infrastructure to include environment args splitting them to be recognized as different argv in windows.
• Includes a new matched argument to the rtps example to wait for discovery before publishing.
• Adds a new argument samples to the subscriber content filter as a finish condition when it gets unmatched.

Note: In the content filter example the PUB_ARGS was removed since it was not being used in the compose file.

@Mergifyio backport 3.1.x 3.0.x

Contributor Checklist

• [X ] Commit messages follow the project guidelines.

• The code follows the style guidelines of this project.

• Tests that thoroughly check the new feature have been added/Regression tests checking the bug and its fix have been added; the added tests pass locally

• Any new/modified methods have been properly documented using Doxygen.

• N/A Any new configuration API has an equivalent XML API (with the corresponding XSD extension)

• Changes are backport compatible: they do NOT break ABI nor change library core behavior.

• Changes are API compatible.

• N/A New feature has been added to the versions.md file (if applicable).

• N/A New feature has been documented/Current behavior is correctly described in the documentation.

• Applicable backports have been included in the description.

Reviewer Checklist

• The PR has a milestone assigned.
• The title and description correctly express the PR's purpose.
• Check contributor checklist is correct.
• If this is a critical bug fix, backports to the critical-only supported branches have been requested.
• Check CI results: changes do not issue any warning.
• Check CI results: failing tests are unrelated with the changes.

---

This is an automatic backport of pull request #5480 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of 0deeb14 has failed:

On branch mergify/bp/3.1.x/pr-5480
Your branch is up to date with 'origin/3.1.x'.

You are currently cherry-picking commit 0deeb148b.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   examples/cpp/content_filter/CLIParser.hpp
	modified:   examples/cpp/content_filter/SubscriberApp.cpp
	modified:   examples/cpp/content_filter/SubscriberApp.hpp
	modified:   examples/cpp/rtps/CLIParser.hpp
	modified:   examples/cpp/rtps/WriterApp.cpp
	modified:   examples/cpp/rtps/WriterApp.hpp
	modified:   test/examples/test_content_filter.py
	modified:   test/examples/test_custom_payload_pool.py
	modified:   test/examples/test_flow_control.py
	modified:   test/examples/test_rtps.py

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   test/examples/CMakeLists.txt
	both modified:   test/examples/content_filter.compose.yml
	both modified:   test/examples/custom_payload_pool.compose.yml
	both modified:   test/examples/rtps.compose.yml

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally