Merge pull request #766 from adenchen123/master

set UserId from conversation states for new conversation creation

Author: Oceania2018

src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.cs

@@ -173,12 +173,14 @@ public async Task<Conversation> GetConversationRecordOrCreateNew(string agentId)
             var state = _services.GetRequiredService<IConversationStateService>();
             var channel = state.GetState("channel");
             var channelId = state.GetState("channel_id");
+            var userId = state.GetState("current_user_id");
             var sess = new Conversation
             {
                 Id = _conversationId,
                 Channel = channel,
                 ChannelId = channelId,
-                AgentId = agentId
+                AgentId = agentId,
+                UserId = userId,
             };
             converation = await NewConversation(sess);
         }