ui: include warnings in polygon/ethereum/etc assets receive address modal about ensuring the correct network/contract is used

[bochinchero]

More to avoid confusion on the user end, particularly as more EVM assets/networks get supported, there should be warnings on the receive address modal to ensure the correct network/contract is used for every asset:

Binance, as an example, has warnings about the contract:

Good example of where this could cause issues is when receiving MATIC/POL, it doesn't state that it's on the Polygon network and someone could transfer the erc-20 from an exchange.