Add Deposit and Withdraw Events to Balances Pallet (#9425)

* add Deposit and Withdraw events to balances

+ add deposit_event() calls where appropriate to signal fund movement
+ adjust and extend tests

* line length

* move events to the end to avoid changing indices

* bump spec_version

* cargo fmt

* adjust block import bench to new event count

* fix node executor tests

* adjust import bench comment

* fix typo and formatting

* adjust event number

* fix copy pasta

* fix contracts pallets tests

* cargo fmt

* WIP fix events in tests

* fix offences tests

* fix tests

* cargo +nightly fmt

* fix contracts pallets tests

* cargo +nightly fmt

* fix offences tests

* formatting and compile fixes

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

substrate/frame/contracts/src/tests.rs

@@ -444,6 +444,11 @@ fn instantiate_and_call_and_deposit_event() {
 		assert_eq!(
 			System::events(),
 			vec![
+				EventRecord {
+					phase: Phase::Initialization,
+					event: Event::Balances(pallet_balances::Event::Deposit(ALICE, 1_000_000)),
+					topics: vec![],
+				},
 				EventRecord {
 					phase: Phase::Initialization,
 					event: Event::System(frame_system::Event::NewAccount(ALICE.clone())),