Ratb/iframe patches

[ChrisFox-Eth]

PR for a few big commits

• Incorporating V3 functionality from tokenbound/iframe
• Styling updates per Figma spec https://www.figma.com/file/UoHJb6J0pEEBV5l1BSgoYy/6551-Panel-App-Designs?type=design&node-id=106-1463&mode=design&t=PnLP5we1eKNMCPSZ-0

[vercel[bot]]

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