Parachains shared.rs to Frame V2 (#3425)

* gotta migrate them all

* migrate rococo construct_runtime

* trigger ci

* fix warnings

* get mocks to work

* add pallet to test runtime

* comments

* calm down mr tabrizi lol

polkadot/runtime/test-runtime/src/lib.rs

@@ -540,6 +540,7 @@ construct_runtime! {
 		ParasInherent: parachains_paras_inherent::{Pallet, Call, Storage, Inherent},
 		Initializer: parachains_initializer::{Pallet, Call, Storage},
 		Paras: parachains_paras::{Pallet, Call, Storage, Origin, Event},
+		ParasShared: parachains_shared::{Pallet, Call, Storage},
 		Scheduler: parachains_scheduler::{Pallet, Call, Storage},
 		ParasSudoWrapper: paras_sudo_wrapper::{Pallet, Call},
 		SessionInfo: parachains_session_info::{Pallet, Call, Storage},