`quote` doesn't work across currencies with different decimals

https://github.com/saber-hq/saber-common/blob/e384ab9513d0535750111e02461120c0e48ea0d8/packages/token-utils/src/price.ts#L2

Try quoting an 8 decimal token by a 6 decimal token. The result will be greater by 2 orders of magnitude than actual