Fix：#2859

[dusx1981]

1. 解决多次进入工作流模式的 Agent 聊天，找不到 app 信息的问题
2. 解决 awel 工作流多窗口问题

[Aries-ckt]

Thanks for your contribution, we will check it soon and merge it.

[chenliang15405]

@dusx1981 Thanks for your contribution. This PR has indeed fixed AWEL Mode Agent chat multi window issue.
But I found that it affected the result display of other Agent modes, the problem such as:

• SIngle Agnet

The same problem also exists with Multi-Agent.

[dusx1981]

@dusx1981 Thanks for your contribution. This PR has indeed fixed AWEL Mode Agent chat multi window issue. But I found that it affected the result display of other Agent modes, the problem such as:

• SIngle Agnet

The same problem also exists with Multi-Agent.

OK, I'll check and fix it.

[dusx1981]

@dusx1981 Thanks for your contribution. This PR has indeed fixed AWEL Mode Agent chat multi window issue. But I found that it affected the result display of other Agent modes, the problem such as:

• SIngle Agnet

The same problem also exists with Multi-Agent.

@chenliang15405 , 问题已解决

[chenliang15405]

Thanks for your contribution, LGTM

[Aries-ckt]

LGTM