Swidge improvements

We've made a number of improvements to make your swidging experience even nicer, including:

• Added Enso as a provider
• Allow swidges in parallel for the same EVM chain
• Better EVM slippage error detection
• Changes to slippage settings are auto-saved
• See recent tokens in the asset picker (e.g., when swidging)
• Added support for XGP (you can move, send, and swidge it)
• Improved number truncation
• Improved mobile interactions
• Improved value loss warnings