Handle account translation during AHM

[x3c41a]

JS tests need to know that some accounts will be mapped to different ones: polkadot-fellows/runtimes#829
Some account IDs will change. So the balance of Alice will arrive in Bob's account, not Alice'.
This is the case for these parachain sovereign accounts and derived ones.
The account balance tests and staking tests (maybe some other?) need to know this so that they don't error