LIVE-2241: take care about currency of the fees

Context (issues, jira)

Better fees and balances computation when the currency is not ATOM, especially during IBC transfer present on the account.

[ ] Test coverage: The changes of this PR are covered by test. Unit test were added with mocks when depending on a backend/device.
[ ] No impact: The changes of this PR have ZERO impact on the userland. Meaning, we can use these changes without modifying LLD/LLM at all. It will be a "noop" and the maintainers will be able to bump it without changing anything.