Revert "Jsonrpc does not support identity."
Revert "Jsonrpc does not support identity."

This reverts commit 2d00e46fa3aa8aefecf7557357484d162f7a1b62.

mawolf/jolie,agwe/jolie,innopolis-jolie-smt-typechecker/jolie,mawolf/jolie,agwe/jolie,agwe/jolie,mawolf/jolie,innopolis-jolie-smt-typechecker/jolie,jolie-projects/jolie-async,mawolf/jolie,jolie-projects/jolie-async,jolie-projects/jolie-async,agwe/jolie,innopolis-jolie-smt-typechecker/jolie,innopolis-jolie-smt-typechecker/jolie,jolie-projects/jolie-async