Fix collection pages fetching and make them crawlable

[obulat]

Handle fetching in collection.vue page, and replace VCollectionPage with VCollectionResults

Fixes

Fixes #3576 by @AetherUnbound
Fixes #3830 by @obulat

Description

Testing Instructions

Checklist

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• I ran the DAG documentation generator (if applicable).

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[obulat]

Joined with #3835