change behavior of Needs response attribute
ART-1979_KNOWLEDGE_NODE-36
contact](https://docs.devrev.ai/product/plug) must be created first for any emails to be added as subscribers.\n* **Needs response**: Set to true whenever a new customer message is received on the ticket to ensure that no customer messages are missed. If a particular customer message does not need a response, the **Needs response** toggle can be turned off by the user. Turning off the **Needs response** toggle does not affect the SLA metrics.\n\nThese attributes can be effectively used in
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