Few typos and clippy fixes (#1362)

* fix typos

* clippy fixes

bridges/modules/messages/src/mock.rs

@@ -198,7 +198,7 @@ impl SenderOrigin<AccountId> for Origin {
 	fn linked_account(&self) -> Option<AccountId> {
 		match self.caller {
 			OriginCaller::system(frame_system::RawOrigin::Signed(ref submitter)) =>
-				Some(submitter.clone()),
+				Some(*submitter),
 			_ => None,
 		}
 	}

bridges/modules/messages/src/outbound_lane.rs

@@ -74,7 +74,7 @@ pub struct OutboundLane<S> {
 }
 
 impl<S: OutboundLaneStorage> OutboundLane<S> {
-	/// Create new inbound lane backed by given storage.
+	/// Create new outbound lane backed by given storage.
 	pub fn new(storage: S) -> Self {
 		OutboundLane { storage }
 	}