• I have searched the issues of this repository and believe that this is not a duplicate.

Reproduction link

Steps to reproduce

1. Create Collapse component with several Collapse panels
2. Set Collapse prop "expandIconPosition" to "right"
3. See arrows outside collapse panel headers

What is expected?

There is an arrow into a collapse panel header to the right side

What is actually happening?

There is not an arrow into a collapse panel header to the right side. It`s outside

Ant version: ant 4.17.0-alpha.7