refactor: migrate getFloorPrice to Alchemy v3

[shahin-hq]

Summary

Depends on #467
Closes: https://app.clickup.com/t/86dqjv3hw

Checklist

• I checked my UI changes against the design and there are no notable differences
• I checked my UI changes for any responsiveness issues
• I checked my (code) changes for obvious issues, debug statements and commented code
• I opened a corresponding card on Clickup for any remaining TODOs in my code
• I added a short description on how to test this PR (if necessary)
• I added a storybook entry for the component that was added (if necessary)
• Documentation (if necessary)
• Tests (if necessary)
• Ready to be merged

[shahin-hq]

Find the first entry with error===null, if the error key is not there 1 === null will ensure that it won't be returned:

https://docs.alchemy.com/reference/nft-api-v2-vs-v3-endpoint-differences#getfloorprice

{
    "openSea": {
        "floorPrice": 0.02,
        "priceCurrency": "ETH",
        "collectionUrl": "https://opensea.io/collection/link3",
        "retrievedAt": "2023-04-04T18:10:59.263Z",
        "error": null
    },
    "looksRare": {
        "floorPrice": 12.5,
        "priceCurrency": "ETH",
        "collectionUrl": "https://looksrare.org/collections/0x8cc6517e45db7a0803fef220d9b577326a12033f",
        "retrievedAt": "2023-04-04T18:10:59.316Z",
        "error": null
    }
}