fix: use the domain associated with a link to generate qrcodes

[AmoabaKelvin]

initially we were using a fixed entry, ishortn.ink to generate qrcode links. This breaks if the user is using a custom domain for that particular link. Now, we build the link based on the domain we are using

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Name	Status	Preview	Comments	Updated (UTC)
ishortn-ink	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Aug 31, 2024 11:47pm

[what-the-diff[bot]]

PR Summary

• Updated destinationUrl prop in QRCodeModal component The reference to "ishortn.ink" was removed and was replaced by link.domain for the destinationUrl property in the QRCodeModal component. This change now dynamically assigns the domain based on the link, improving the flexibility of code.

• Refactoring Import Statements in link-actions.tsx For better code organization and readability, import statements in the link-actions.tsx file were re-arranged and indented properly.