Search before asking

• I had searched in the issues and found no similar issues.

What happened

Picture in designe EN doc have Chinese content. Source page https://dolphinscheduler.apache.org/en-us/docs/latest/user_doc/architecture/design.html. Sub task for #6535

What you expected to happen

We should change to English picture in above doc

How to reproduce

Go and see https://dolphinscheduler.apache.org/en-us/docs/latest/user_doc/architecture/design.html

Anything else

No response

Version

dev

Are you willing to submit PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct