Delete spinner in Introspection tools and fix endoding#3

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RichardvdK wants to merge 7 commits intoros2from update/introspection_nodes

+27-42

Commits on Feb 15, 2024

don't spin inside the node, let the outside user determine how to spin this node and how to catch exceptions properly
Richardvdketterij
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Commits on Feb 16, 2024

fix decoding messages
Richardvdketterij
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fix test
Richardvdketterij
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fix indent
Richardvdketterij
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remove import
Richardvdketterij
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only import modules that we need and shutdown test properly
Richardvdketterij
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dont use rate in singlethreadedexecuter and split data if multiple
Richardvdketterij
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