Icons around named accounts

[lukaw3d]

https://explorer.dev.oasis.io/mainnet/consensus/tx/c7000650eb2c4406020c6dc72eed89f979cabadf29c06868f223b6f943555e80

• Bookmark icon (name self-acclaimed)
• Validator name: can contain unicode/emojis "AutoStake 🛡️ Slash Protected"
• Copy icon: isn't obvious what it will copy
  it copies "oasis1qpg5vq3jt6djfw5rq9l8kcwkt4s7vmjn4vvxujwv"

all together feels overloaded

[lukaw3d]

After #2358: https://explorer.dev.oasis.io/mainnet/sapphire/search?q=demo-rofl copy icon next to rofl app name copies "demo-rofl-www"