core build fixes + mobile nav fix

[mzaintariq]

Describe your changes

Fixes build issues + mobile cart in core example

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Latest commit: 9d98342

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Project	Deployment	Preview	Comments	Updated (UTC)
commerce-essentials	Error			Dec 1, 2025 2:45pm
composable-frontend-core	Building	Preview	Comment	Dec 1, 2025 2:45pm
composable-frontend-docs	Ready	Preview	Comment	Dec 1, 2025 2:45pm
composable-frontend-simple	Error		Comment	Dec 1, 2025 2:45pm

1 Skipped Deployment

Project	Deployment	Preview	Comments	Updated (UTC)
composable-frontend-algolia	Ignored			Dec 1, 2025 2:45pm