[Core] Fix usage formatter serialization #2392
Merged
+54
−61
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The usage formatter is re(ab)using the json formatter from messages. While it
is technically feasible to come up with a solution that does not do this it
would be better to redesign the formatter with a table-like human-readable
output in mind. As such we can defer this decision to a later point in time.
Fixes: #2381