HRMP benchmarks (#3876)

* wip template for hrmp benchmarks

* add all of the benchmarks, first draft

* File was not saved :/

* cargo +nightly fmt

* Use configs

* add configs

* Fix rococo

* Final touches

* revert fmt changes, one last time

* Fix wrappings

* Fix a bunch of tests

* cargo run --quiet --release --features=runtime-benchmarks -- benchmark --chain=kusama-dev --steps=50 --repeat=20 --pallet=runtime_parachains::hrmp --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=./runtime/kusama/src/weights/runtime_parachains_hrmp.rs

* add to westend

* actually use everything

* cargo run --quiet --release --features=runtime-benchmarks -- benchmark --chain=westend-dev --steps=50 --repeat=20 --pallet=runtime_parachains::hrmp --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=./runtime/westend/src/weights/runtime_parachains_hrmp.rs

* Update runtime/parachains/src/hrmp.rs

Co-authored-by: Keith Yeung <[email protected]>

* use real weight in wnd

* reorg

* minor cleanup

* weigh some of the internal stuff as well

* cargo run --quiet --release --features=runtime-benchmarks -- benchmark --chain=kusama-dev --steps=50 --repeat=20 --pallet=runtime_parachains::hrmp --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=./runtime/kusama/src/weights/runtime_parachains_hrmp.rs

* cargo run --quiet --release --features=runtime-benchmarks -- benchmark --chain=westend-dev --steps=50 --repeat=20 --pallet=runtime_parachains::hrmp --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=./runtime/westend/src/weights/runtime_parachains_hrmp.rs

* add files

* Master.into()

* add validation

* fmt

* fmt

* final fixes

* all runtimes build

* undo formatting

* Update runtime/parachains/src/hrmp.rs

Co-authored-by: Zeke Mostov <[email protected]>

* non-controversial changes

* do it the parachain-way: use const instead of type configs for simplicity.

* borrow assert_storage_consistency_exhaustive

* move assert_storage_consistency_exhaustive to Pallet, so it can be reused for benchmarks as well.

* fix typo

Co-authored-by: Parity Bot <[email protected]>
Co-authored-by: Keith Yeung <[email protected]>
Co-authored-by: Sergey Shulepov <[email protected]>
Co-authored-by: Zeke Mostov <[email protected]>