Behavior of a selection date on v4 different with v5

[Chingachcook]

Reproduction link

Steps to reproduce

Open the range picker with showTime=true property.
Click on the first date to start selecting a date range.
Start moving the cursor.

What is expected?

The selected date should maintain its style even as the cursor moves, allowing users to easily understand which date they have selected.

What is actually happening?

The selected date style disappears as the cursor moves, making it difficult for users to determine which date they have selected.

Environment	Info
antd	5.17.0
React	react
System	mac os, windows
Browser	safari, chrome, arc

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This issue occurs consistently across different browsers.
This issue affects both desktop and mobile users.
Screenshots or a video recording demonstrating the issue can be provided upon request.