Review and fix all areas that set slippage tolerances

[0xean]

Long tail swaps don't correctly enforce slippage leading to sandwich and a loss of user funds. We need to resolve this and additionally take the time to audit anywhere else this might be the case and confirm slippage is set correctly.

AC

1. Long tail swaps correctly enforce a minAmountOut for the intermediary asset
2. All other swap protocols / routes are confirmed to enforce sane slippage tolerances

[0xApotheosis]

In addition to the long-tail fixes above, I sanity checked the following at runtime:

1inch:

We correctly build the transaction payload with the user's specified slippage (or the default if not set) in the slippage parameter:

0x

We only use the user's specified slippage if 0x supports slippage protection for that trade pair. If not, we default to 0.2% (and let the user know that custom slippage is not supported).

THORChain

• For non-streaming swaps we use a param in the memo to set the minimum amount out before the trade will be reverted (based on the slippage value - custom or default).

• For streaming swaps slippage is handled automatically by the protocol, see: https://discord.com/channels/838986635756044328/1166265575941619742/1166500062101250100

LiFi

Defaults to 0.5%, and can be overridden by the user.

[0xean]

thanks @0xApotheosis for the review here.