Make automatic storage deposits resistant against changing deposit prices (#12083)

* Require `FixedPointOperand` for Balances

* Delay deposit calculation

* Make refunds pro rata of consumed storage

* Add storage migration

* Fix clippy

* Add liquidity checks

* Fixe delayed deposit limit enforcement

* Defer charges

* Import Vec

* Add try-runtime hooks for migration

* Fix warning

* Adapt to new OnRuntimeUpgrade trait

* Apply suggestions from code review

Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>

* fmt

* Apply suggestions from code review

Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>

* More suggestions from code review

Co-authored-by: Sasha Gryaznov <hi@agryaznov.com>

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

@@ -1706,6 +1706,7 @@ pub type Executive = frame_executive::Executive<
 type Migrations = (
 	pallet_nomination_pools::migration::v2::MigrateToV2<Runtime>,
 	pallet_alliance::migration::Migration<Runtime>,
+	pallet_contracts::Migration<Runtime>,
 );
 
 /// MMR helper types.