Offer wallet addresses in recipient fields

[lukaw3d]

• Send > Recipient: offers contacts
• Deposit > EVM Paratime: offers saved previous eth private keys
• Deposit > Cipher: doesn't offer anything, placeholder is current address
• Withdraw > EVM Paratime: doesn't offer anything, placeholder is current address
• Withdraw > Cipher: doesn't offer anything, placeholder is current address

Consensus layer recipient fields should offer imported accounts too

Related to oasisprotocol/oasis-wallet-ext#190, oasisprotocol/oasis-wallet-ext#192, #1635

And should show named imported accounts in tx info, related to #1661