feature: global lock retry when autocommit=false

[zjinlei]

Why you need it?

Is your feature request related to a problem? Please describe in details English: When a connection is set to autocommit=false, the branch transaction cannot be retried if a global lock conflict occurs.

Chinese: 当连接设置为autocommit = false时，如果发生全局锁定冲突，则无法重试分支事务。

How it could be?

A clear and concise description of what you want to happen. You can explain more about input of the feature, and output of it.

Other related information

Add any other context or screenshots about the feature request here.

[slievrly]

When a connection is set to autocommit=false, the branch transaction cannot be retried if a global lock conflict occurs.

[wxbty]

let me try