Improve the algorithm to support more swap path

[lw-cdm]

https://www.notion.so/subwallet/Cross-chain-swap-for-EVM-1dde05c5b9fb80a0b2fece631b1b2942?pvs=4#1e0e05c5b9fb80d49be5e228c5fb23b1

[bluezdot]

Currently, there is no clear solution for this issue.