Fix Paraglide locale links to use resolve

[samuelstroschein]

Closes opral/paraglide-js#638

Summary

• import resolve from $app/paths in the Paraglide addon-generated +layout.svelte
• wrap generated locale switcher hrefs with resolve(localizeHref(...))
• update the corresponding snapshot

Why

The current generated locale switcher uses raw href={localizeHref(...)} links, which triggers the Svelte ESLint rule svelte/no-navigation-without-resolve in fresh Paraglide-enabled SvelteKit projects.

Verification

• reproduced the lint failure in bennajah/svelte-demo
• confirmed changing the link to resolve(localizeHref(...)) fixes the lint error
• updated the snapshot to match the generated output

[changeset-bot]

🦋 Changeset detected

Latest commit: c157e9b

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

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commit: c157e9b

[sacrosanctic]

the fix is also here

[manuel3108]

CI does not seem to be entirely happy yet, not too sure why yet.
Also there seems to be a comment opral/paraglide-js#638 (comment) here questioning if this fixe actually fixes anything.

But we will have to check this at a later point in time