Fix Non-thread-safe operation in zwave node_added

[bdraco]

Proposed change

Seen in #62104

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[probot-home-assistant]

Hey there @home-assistant/z-wave, mind taking a look at this pull request as it has been labeled with an integration (zwave) you are listed as a code owner for? Thanks!
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[bdraco]

I guess this is still used https://www.home-assistant.io/integrations/zwave

[raman325]

It is indeed still used but it breaks in python 3.10 so it will be gone soon. Regardless, still a good fix