Replace T::AccountId with <T::Lookup as StaticLookup>::Source (#11670)

* initial

* update

* update

* update

* cargo fmt

* update

* update benchmarks

* AccountIdLookupOf<T>

* cargo fmt

* fix conflits

* cargo fmt

* update

Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>

substrate/frame/sudo/src/lib.rs

@@ -104,6 +104,8 @@ mod tests;
 
 pub use pallet::*;
 
+type AccountIdLookupOf<T> = <<T as frame_system::Config>::Lookup as StaticLookup>::Source;
+
 #[frame_support::pallet]
 pub mod pallet {
 	use super::{DispatchResult, *};
@@ -192,7 +194,7 @@ pub mod pallet {
 		#[pallet::weight(0)]
 		pub fn set_key(
 			origin: OriginFor<T>,
-			new: <T::Lookup as StaticLookup>::Source,
+			new: AccountIdLookupOf<T>,
 		) -> DispatchResultWithPostInfo {
 			// This is a public call, so we ensure that the origin is some signed account.
 			let sender = ensure_signed(origin)?;
@@ -228,7 +230,7 @@ pub mod pallet {
 		})]
 		pub fn sudo_as(
 			origin: OriginFor<T>,
-			who: <T::Lookup as StaticLookup>::Source,
+			who: AccountIdLookupOf<T>,
 			call: Box<<T as Config>::Call>,
 		) -> DispatchResultWithPostInfo {
 			// This is a public call, so we ensure that the origin is some signed account.