Publish dialog remains on screen

[shuuji3]

The publish dialog should be closed when clicking the "Publish" button but now remains on the screen. This change might be caused by some changes related to the thread publishing feature but I'm not sure.

(After clicking "Publish" button. The new post is actually published and the editor text is cleared but the dialog isn't closed)

You can see the past behavior in the past version: https://deploy-preview-2001--elk-zone.netlify.app/

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[shuuji3]

The close process was handled by this @published handler (https://github.com/elk-zone/elk/blob/main/components/modal/ModalContainer.vue#L70-L74) but it was implemented only on PublishWidget component, not PublishWidgetList.

So probably we might be able to fix this issue by adding a handler to PublishWidgetList component too or adding closing statement somewhere.