enhancement: add account colour to recipient input

[nicole-obrien]

Summary

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Changelog

- Add generic coloured circle component
- Use coloured circle in recipient selector
- Use coloured circle in account label

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Testing

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[MarkNerdi996]

for the NFT icon i wrapped these items differently. I combined the slot with the first text, which makes more sense IMO.

[nicole-obrien]

I think the other way makes more sense, as the first slot will likely be fixed width and the next two elements will need to be flexible depending on the size of the content.

[MarkNerdi996]

LGTM