Don't return misleading result with PostInfo in proxy-pallet (#9426)

also autoformatting two unrelated files

fixes #9421

substrate/frame/staking/src/lib.rs

@@ -2365,8 +2365,7 @@ impl<T: Config> Pallet<T> {
 		})?;
 
 		let controller = Self::bonded(&validator_stash).ok_or_else(|| {
-			Error::<T>::NotStash
-				.with_weight(T::WeightInfo::payout_stakers_alive_staked(0))
+			Error::<T>::NotStash.with_weight(T::WeightInfo::payout_stakers_alive_staked(0))
 		})?;
 		let mut ledger = <Ledger<T>>::get(&controller).ok_or(Error::<T>::NotController)?;