ebay-tourtip: Close button (X) is misaligned

[iLtc]

I verified there's no existing issue for this bug.

• There are no existing issues

Current behavior

The close button (X) is misaligned. Here is a screenshot from the Storybook.

Expected behavior

The close button (X) should be closer to the top right corner.

Here is a screenshot from the eBay skin.

Package and version

@ebay/ebayui-core: 15.14.2

Device/OS/Browser info

macOS 15.7.1
Chrome 143.0.7499.42

Steps to reproduce

Just open the [Storybook](https://opensource.ebay.com/evo-web/ebayui-core/?path=/story/notices-tips-ebay-tourtip--standard&args=placement:bottom-start).

Relevant code block

There is a style conflict between the classes button.tourtip__close and button.icon-btn.

Additional context

No response