uui-button: Button not shown with icons

[bjarnef]

Which exact UI Library version are you using? For example: 1.0.1 - don't just write v1.

1.5.0

Bug summary

I noticed here that is seems to story for button with icon no longer display the icon on the button:
https://uui.umbraco.com/?path=/docs/uui-button--docs

Specifics

No response

Steps to reproduce

Use the following example:

<uui-button look="primary" label="A11Y proper label"><uui-icon name="alert"></uui-icon>Button Label</uui-button>

it does show the icons here, when I navigate to the story:
https://uui.umbraco.com/?path=/story/uui-button--with-icon

but after refreshing the page, the icons disappear.

Expected result / actual result

No response