On Send Screen, first lowercase "To" address to then compare with assetId

[LuizAsFight]

Right now we just compare then which doesn't identify as asset if the address was previously already checksummed.

[cridiv]

Hello, I have experience working with React, SCSS, Node.js, and PostgreSQL. I have reviewed the problem statement and believe I can provide an effective solution. I’d love to contribute to this project and can have a draft implementation ready within 24 hours.