CvDropdown: Blinking scrollbar appearance on dropdown list menu upon opening

[shijiasiow-u]

Detailed description

Describe in detail the issue you're having.

In CvDropdown component, blinking scrollbar can be seen at the right side of dropdown list menu when opening and closing despite list menu is not scrollable after it's fully opened.

Is this a feature request (new component, new icon), a bug, or a general issue?

Bug

Is this issue related to a specific component?

CvDropdown

What did you expect to happen? What happened instead? What would you like to see changed?

Expected scrollbar not to be seen when dropdown list menu is expanding or closing, but scrollbar is seen during expanding which caused confusion that dropdown list menu will be scrollable after expanded. Scrollbar should not be seen unless dropdown list menu is scrollable.

What browser are you working in?

Chrome

What version of the Carbon Design System are you using?

3.0.27

What offering/product do you work on? Any pressing ship or release dates we should be aware of?

None.

Steps to reproduce the issue

1. Open https://vue.carbondesignsystem.com/?path=/story/component-cvdropdown--default-story
2. In the demo, click on the dropdown button
3. Upon dropdown list menu expanding, scrollbar can be seen and disappear when it's fully expanded.

Additional information

Component._.CvDropdown.-.Default.Storybook.mp4

[github-actions]

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chance, please comment with the additional info requested.
Otherwise, this issue will be closed in 28 days.

[felipebritor]

Hello, @shijiasiow-u . I can only reproduce it on firefox (developer edition 139.0b10). Which chrome version are you using?

[shijiasiow-u]

Hi @felipebritor, I am using Version 139.0.7258.139 (Official Build) (arm64)