use CountedMap in pallet-bags-list (#10179)

* use CountedMap in pallet-bags-list

* Fix build

* Update frame/bags-list/src/list/mod.rs

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

* add a check as well

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

substrate/bin/node/runtime/src/lib.rs

@@ -1330,7 +1330,7 @@ pub type Executive = frame_executive::Executive<
 	frame_system::ChainContext<Runtime>,
 	Runtime,
 	AllPallets,
-	(),
+	pallet_bags_list::migrations::CheckCounterPrefix<Runtime>,
 >;
 
 /// MMR helper types.