fix: repalced js-loading-overlay to pure css to show loader.

[JinIgarashi]

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Description

because of js-loading-overlay, it causes problem of importing package in SSR mode. I replaced it with pure css to show simple loader.

Plugin

Select a plugin related to this PR.

• maplibre-gl-export
• mapbox-gl-export

Type of Pull Request

• Adding a feature
• Fixing a bug
• Maintaining documents
• Others ()

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• Code is up-to-date with the main branch
• No lint errors after pnpm lint
• Make sure all the existing features working well
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[changeset-bot]

🦋 Changeset detected

Latest commit: 6af2e51

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
@watergis/maplibre-gl-export	Patch
@watergis/mapbox-gl-export	Patch

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