fix(default-theme): fixed shopping button on cart

[Malwurf]

Changes

closes #861

Checklist

• I followed contributing guidelines

[vercel]

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(f970c82, update in progress)

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1 out of 2 committers have signed the CLA.

✅ mkucmus
❌ Krecik

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[github-actions]

💙 shopware-pwa-canary successfully deployed at https://57fec98a2606fb5ca1cf679581b0022630ff5626.shopware-pwa-canary.preview.storefrontcloud.io

[akrajna]

works fine

[patzick]

👌