[16360] Protect from uncaught exception during SHM Segment creation. (backport #3293)

[mergify]

This is an automatic backport of pull request #3293 done by Mergify.
Cherry-pick of 72d1ba1 has failed:

On branch mergify/bp/2.8.x/pr-3293
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Changes to be committed:
	modified:   src/cpp/rtps/DataSharing/DataSharingNotification.hpp
	modified:   src/cpp/rtps/transport/shared_mem/SharedMemManager.hpp
	modified:   src/cpp/rtps/transport/shared_mem/SharedMemTransport.cpp
	modified:   src/cpp/utils/shared_memory/SharedMemSegment.hpp
	new file:   test/mock/rtps/SharedMemSegment/utils/shared_memory/SharedMemSegment.hpp
	modified:   test/unittest/CMakeLists.txt
	new file:   test/unittest/rtps/DataSharing/CMakeLists.txt
	new file:   test/unittest/rtps/DataSharing/SHMSegmentTests.cpp

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   src/cpp/rtps/DataSharing/WriterPool.hpp

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

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[JLBuenoLopez]

@jsantiago-eProsima this also has conflicts. Could you look into it?

[Mario-DL]

@richiprosima please test this

[Mario-DL]

@richiprosima please test linux