[Remove GNS]: Add toast after users copy address and refine focus state

[amandaye0h]

Describe the bug

Users should get feedback that they've copied their address. The focus state should also be visually consistent. Suggested changes:

• Remove background-default-hover in the focus state (see code on the right)
• Add toast when users click on the address
• Toast disappears after 2000ms (or 2s)

Expected behavior

All design specs are here

Screenshots/Recordings

Screen.Recording.2025-05-27.at.3.12.04.AM.mov

Steps to reproduce

• Click on the copy address button
• For the focus state, press a tab on your keyboard

Error messages or log output

Detection stage

In production (default)

Version

12.18.0

Build type

None

Browser

Chrome

Operating system

MacOS

Hardware wallet

No response

Additional context

Ping @amandaye0h for more context, notify me when it's been updated, thanks!

Severity

No response

[mustafacryptolife]

$#