[bug]tokenSeparators failed under "multiple" mode

[softboy99]

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

Version

4.2.6

Environment

win11 vue3 node20

Reproduction link

Steps to reproduce

https://codesandbox.io/p/devbox/multiple-selection-ant-design-vue-4-2-6-forked-jnskxp?file=%2Fsrc%2Fdemo.vue%3A18%2C3&workspaceId=ws_MFbJfcpvGDEWoogPXurSCS

paste "a1,c3", the a1 and c3 item should be automatically selected.

tried react version, it's ok:

https://codesandbox.io/p/devbox/multiple-selection-antd-5-24-4-forked-gdmvfj?file=%2Fdemo.tsx%3A15%2C44&workspaceId=ws_MFbJfcpvGDEWoogPXurSCS

What is expected?

paste "a1,c3", the a1 and c3 item should be automatically selected.

What is actually happening?

nothing be selected