Problem: upgrade to jsonrpc-* 16.0.0 fails to compile

[tomtau]

   Compiling client-rpc v0.6.0 (/home/runner/work/chain/chain/client-rpc/server)
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error[E0277]: the trait bound `jsonrpc_http_server::jsonrpc_core::MetaIoHandler<_, _>: std::convert::From<jsonrpc_core::io::IoHandler>` is not satisfied
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##[error]  --> client-rpc/server/src/server.rs:75:22
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   |
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75 |         let server = ServerBuilder::new(handler.io)
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   |                      ^^^^^^^^^^^^^^^^^^ the trait `std::convert::From<jsonrpc_core::io::IoHandler>` is not implemented for `jsonrpc_http_server::jsonrpc_core::MetaIoHandler<_, _>`
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   |
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   = help: the following implementations were found:
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             <jsonrpc_http_server::jsonrpc_core::MetaIoHandler<()> as std::convert::From<jsonrpc_http_server::jsonrpc_core::IoHandler>>
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https://github.com/crypto-com/chain/pull/2237/checks?check_run_id=1135532376