swap max for non native assets

[0xean]

Background

Previously the team chose to remove Send Max functionality from the swapper due to complexities with gas, etc.
While this complexity still exists for native assets, for non native assets (IE ERC20) this shouldn't be a problem to allow a user to select to swap their entire balance.

AC

• Create functionality to allow send max for non native assets (all erc20's)
  • Max component should be available somewhere to be added to the swapper
• no change to functionality when a native asset is selected as the input to the swapper.

[0xean]

holding for potential outside contributor to pick up, please don't pick this ticket up until we know if they would like to work on it.

[herbig]

holding for potential outside contributor to pick up, please don't pick this ticket up until we know if they would like to work on it.

Hey @0xean you can assign me, I'm going to take a look at this today