Don't include :code by default in storage proofs (#5179)

* Don't include `:code` by default in storage proofs (#5060)

* Adds test to verify that the runtime currently is always contained in
the proof

* Start passing the runtime wasm code from the outside

* Fix compilation

* More build fixes

* Make the test work as expected now :)

* Last fixes

* Fixes benchmarks

* Review feedback

* Apply suggestions from code review

Co-Authored-By: Sergei Pepyakin <sergei@parity.io>

* Review feedback

* Fix compilation

Co-authored-by: Sergei Pepyakin <s.pepyakin@gmail.com>

* Fix compilation and change the way `RuntimeCode` works

* Fix tests

* Switch to `Cow`

Co-authored-by: Benjamin Kampmann <ben@gnunicorn.org>
Co-authored-by: Sergei Pepyakin <s.pepyakin@gmail.com>

substrate/utils/frame/benchmarking-cli/src/lib.rs

@@ -121,6 +121,7 @@ impl BenchmarkCmd {
 				self.repeat,
 			).encode(),
 			Default::default(),
+			&sp_state_machine::backend::BackendRuntimeCode::new(&state).runtime_code()?,
 		)
 		.execute(strategy.into())
 		.map_err(|e| format!("Error executing runtime benchmark: {:?}", e))?;