improve(validateRunningBalances): Update script (#2040)

* improve(validateRunningBalances): Update script

- Patches a bug where slow fill amounts are counted for the wrong bundle. Currently we are subtracting the previous bundle's slow fills from the current bundle's balances, when we are expecting to subtract the current bundle's slow fills.
- Adds ability for caller to isolate a chain and token using environment variable
- Cleans up logs so that script produces much more understandable output
- Reduces default bundle count from 32 to 8 to make default run much faster

* Update validateRunningBalances.ts