add previous user query to vector search

actions/actions.py

@@ -38,8 +38,7 @@ def generate_openai_response(query, model_engine="gpt-3.5-turbo", max_tokens=256
     # Run the main function from search_content.py and store the results in a variable
     
     #results = main_search(query)
-    results = main_search(query["current_user_query"])
-    dispatcher.utter_message(text="current query:"+query["current_user_query"])
+    results = main_search(query["current_user_query"]+query["previous_user_query"])
 
     # Create context from the results
     context = "".join([f"#{str(i)}" for i in results])[:2014] # Trim the context to 2014 characters - Modify as necessory