There is a problem with the Extend.register method

[tqq1994516]

Is there an existing issue for this?

• I have searched the existing issues

Describe the bug

I have asked for help on forums before, and I feel that there is a bug in the Extend.register method https://community.sanicframework.org/t/use-dependency-method-in-custom-extensions-not-work/1107/7

Code snippet

No response

Expected Behavior

The Extend.register method can achieve the same effect as app.extend(extensions=[Plugin])

How do you run Sanic?

As a script (app.run or Sanic.serve)

Operating System

linux

Sanic Version

v22.9.1

Additional context

No response