1.4.6 - generic enhancements and bug fixes

This release contains a series of generic enhancements and multiple bug fixes:

Enhancements:

• Ability to use the responseInterceptor for stream responses.
• If request property is not set on the initial render, you are now able to set it on further renders.

Bug fixes:

• The events methods no longer trigger a re-render.
• Responses from a stream service no longer overwrites the user message.
• Setting the OpenAI Assistant key via the insert key view now sets the correct request header when sending new messages.

Others:

• addMessage method has been removed as it does not yield any direct benefit to Deep Chat component.