fix: set settings.model to stream chunk model in openai instrumentation (#152)

* fix: streaming model.settings openai instrumentation

* fix: remove print

Author: desaxce

literalai/instrumentation/openai.py

@@ -310,6 +310,8 @@ def streaming_response(
                 and generation.model != chunk.model
             ):
                 generation.model = chunk.model
+                if generation.settings:
+                    generation.settings["model"] = chunk.model
 
             yield chunk