[Bug Report] Screen reader is not announcing name and position of list items.

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Element UI version

2.15.14

OS/Browsers version

OS: Windows 11 Version 24H2 (OS Build 26120.1542) Browser: Microsoft New Edge (Version 128.0.2739.42) (Official build) (64-bit)

Vue version

2.7.16

Reproduction Link

https://codepen.io/PoovizhiV/pen/yLmyZzw

Steps to reproduce

Open the URL: https://codepen.io/PoovizhiV/pen/yLmyZzw in New Edge /Chrome browsers.
'ElementUI' page gets displayed.
Navigate to any dropdown using tab key and expand it using Enter key.
Verify whether the Screen reader is announcing name and position of list item in detail or not.

What is Expected?

Here, after expanding the combo box, screen reader focus should move on the list teams and also it should read name and position of list items as option 1 of 4.

What is actually happening?

Screen reader is not narrating name and position of list items when navigated using arrow keys because here focus is not going on list items present under the dropdown. Screen reader announces as blank.

Screen.reader.is.not.announcing.name.and.position.of.list.items.2.mp4