Validate complex attributes of 'node' action (backport #198)

[mergify]

This is an automatic backport of pull request #198 done by Mergify.
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[adityapande-1995]

CI throws error : AttributeError: 'Entity' object has no attribute 'assert_entity_completely_parsed'. Probably need to backport ros2/launch#468. What do you think @ivanpauno ?

[ivanpauno]

Backport PR has already been merged ros2/launch#567, we only need to do a foxy release for the Fpr checker to pass.

[adityapande-1995]

@ros-pull-request-builder retest this please

[ivanpauno]

There are a lot of foxy packages still being built after ros/rosdistro#31744 got merged: https://build.ros2.org/view/Queue/.

The testing repo will be synced after all Fbin* jobs finish, we need to rerun the pull request builder after that.

[adityapande-1995]

@ros-pull-request-builder retest this please

[adityapande-1995]

CI :

• Linux
• Linux-aarch64
• Windows

The test_qos_profiles error seems unrelated and was also seen here in a vanilla foxy CI : #289 (comment) . It is a known issue and is ticketed here is : ros2/rosbag2#927