The node of http request support streaming request

[Neo966]

Self Checks

• I have searched for existing issues search for existing issues, including closed ones.
• I confirm that I am using English to submit this report (我已阅读并同意 Language Policy).
• [FOR CHINESE USERS] 请务必使用英文提交 Issue，否则会被关闭。谢谢！:）
• Please do not modify this template :) and fill in all the required fields.

1. Is this request related to a challenge you're experiencing? Tell me about your story.

Support non-standard OpenAI-style model interface streaming access and non-model class streaming interface dynamic printing

2. Additional context or comments

adds options to support streaming and blocking requests.

streaming printing is similar to llm node.

3. Can you help us with this feature?

• I am interested in contributing to this feature.