-- rename structuredError.structuredMessage to message
-- remove the legacy 'message' field from structuredError.data, allow the top level 'error' string to preserve that for us.
-- remove the 'originalError' field from structuredError
-- rename structured_errors to rpc_errors
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<!-- Explain why this is an improvement (Does this add missing
functionality, improve performance, or reduce complexity?) -->
The modules `chia.protocols` and `chia.server` form a dependency loop.
This change at least removes the direct dependency of `chia.protocols`
on `chia.server`.
### Purpose:
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### Current Behavior:
### New Behavior:
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* add `/get_log_level` and `/set_log_level` to all rpcs
* tidy
* for py <3.11
* fixup
* add tests
* a few no covers
* add `RpcClient.reset_log_level()`
* tidy
* fixup