Feature: Underlined prop to ComboBox and Dropdown components

[jekaspekas]

Describe the feature that you would like added

Underlined prop to ComboBox and Dropdown components

What component or utility would this be added to

ComboBox and Dropdown

Have you discussed this feature with our team, and if so, who

No

Additional context/screenshots

Location underlined and not underlined elements close does not look good. For example DatePicker component can be underlined.

[xugao]

Dup of #10694

[xugao]

Thank you for your feedback @jekaspekas . We have this feature in our backlog. I am checking on its progress/timeline. Pls do let me know how urgently you need this feature by.

[msft-github-bot]

Because this issue is marked as a duplicate and has not had activity for over 3 days, we're closing this issue for house-keeping purposes. Please refer to the issue that this issue was duplicated to for the purposes of tracking progress. Thank you.