I added two of chat for one node.
And when i create node, then i get 4 records in the table of the chatroom.
This is due chatroom_field_update function that is called when you create node.

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#1 chatroom-dublicate_chat-2025691-1.patch397 bytesKOsipenko

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new397 bytes

I created patch for current issue.
And added code for the function chatroom_field_insert()