asb log spam: "balance is too low to initiate a swap"

[icy-ux]

Describe the bug
When XMR balance drops below max_buy or min_buy, asb repetitively spams the log with warnings:

{"timestamp":"2009-01-03T18:15","level":"WARN","fields":{"message":"Your Monero balance is too low to initiate a swap with the maximum swap amount X BTC that you have specified in your config. You can at most swap Y BTC"}}

The messages should either:

1. happen at user configurable intervals, or, alternately,
2. be written to the log once and not again

Lost/trapped Funds
No

Debug logs
See above

Platform (please complete the following information):

• ASB
• 0.12.3