Enable verification logic when executing benchmarks (#6929)

* Add `--verify` flag to benchmark execution

* make it so `--verify` can be used for getting the actual benchmarks

* undo manual testing

* oops

* use benchmark config struct

* verify is default on, docs update

* remove clone

* improve formatting

* fix test

* bump impl for ci

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

@@ -72,6 +72,10 @@ pub struct BenchmarkCmd {
 	#[structopt(long)]
 	pub heap_pages: Option<u64>,
 
+	/// Disable verification logic when running benchmarks.
+	#[structopt(long)]
+	pub no_verify: bool,
+
 	/// Display and run extra benchmarks that would otherwise not be needed for weight construction.
 	#[structopt(long)]
 	pub extra: bool,