[Orgs] User settings - Delete wallet flow

[usame-algan]

Links

Epic on Notion: https://www.notion.so/safe-global/Org-onboarding-flow-1208180fe57380078591f5380a0c5d2a

What must be done

• Allow deletion of linked sign-in wallets
• Current wallet can't be deleted
• Last wallet can't be deleted
• User has to confirm deletion in a small modal

Designs/sketches

https://www.figma.com/design/PeChIDi5UKPjf58IOChtET/Organizations?node-id=3694-28974&m=dev

How to test it

• It should match the design