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As @grahamb mentioned, Wireshark does not have a filter that is session aware for TLS. But luckily Wireshark does have a Lua scripting engine on board. I wrote a Lua script that will work as you described. Use the filter TLSextend.state==1 to see all packets from the TCP streams that contain a ClientHello, but not a ServerHello.

See: https://github.com/syn-bit/TLSextend