Fix spelling mistakes across the whole repository (#3808)

**Update:** Pushed additional changes based on the review comments.

**This pull request fixes various spelling mistakes in this
repository.**

Most of the changes are contained in the first **3** commits:

- `Fix spelling mistakes in comments and docs`

- `Fix spelling mistakes in test names`

- `Fix spelling mistakes in error messages, panic messages, logs and
tracing`

Other source code spelling mistakes are separated into individual
commits for easier reviewing:

- `Fix the spelling of 'authority'`

- `Fix the spelling of 'REASONABLE_HEADERS_IN_JUSTIFICATION_ANCESTRY'`

- `Fix the spelling of 'prev_enqueud_messages'`

- `Fix the spelling of 'endpoint'`

- `Fix the spelling of 'children'`

- `Fix the spelling of 'PenpalSiblingSovereignAccount'`

- `Fix the spelling of 'PenpalSudoAccount'`

- `Fix the spelling of 'insufficient'`

- `Fix the spelling of 'PalletXcmExtrinsicsBenchmark'`

- `Fix the spelling of 'subtracted'`

- `Fix the spelling of 'CandidatePendingAvailability'`

- `Fix the spelling of 'exclusive'`

- `Fix the spelling of 'until'`

- `Fix the spelling of 'discriminator'`

- `Fix the spelling of 'nonexistent'`

- `Fix the spelling of 'subsystem'`

- `Fix the spelling of 'indices'`

- `Fix the spelling of 'committed'`

- `Fix the spelling of 'topology'`

- `Fix the spelling of 'response'`

- `Fix the spelling of 'beneficiary'`

- `Fix the spelling of 'formatted'`

- `Fix the spelling of 'UNKNOWN_PROOF_REQUEST'`

- `Fix the spelling of 'succeeded'`

- `Fix the spelling of 'reopened'`

- `Fix the spelling of 'proposer'`

- `Fix the spelling of 'InstantiationNonce'`

- `Fix the spelling of 'depositor'`

- `Fix the spelling of 'expiration'`

- `Fix the spelling of 'phantom'`

- `Fix the spelling of 'AggregatedKeyValue'`

- `Fix the spelling of 'randomness'`

- `Fix the spelling of 'defendant'`

- `Fix the spelling of 'AquaticMammal'`

- `Fix the spelling of 'transactions'`

- `Fix the spelling of 'PassingTracingSubscriber'`

- `Fix the spelling of 'TxSignaturePayload'`

- `Fix the spelling of 'versioning'`

- `Fix the spelling of 'descendant'`

- `Fix the spelling of 'overridden'`

- `Fix the spelling of 'network'`

Let me know if this structure is adequate.

**Note:** The usage of the words `Merkle`, `Merkelize`, `Merklization`,
`Merkelization`, `Merkleization`, is somewhat inconsistent but I left it
as it is.

~~**Note:** In some places the term `Receival` is used to refer to
message reception, IMO `Reception` is the correct word here, but I left
it as it is.~~

~~**Note:** In some places the term `Overlayed` is used instead of the
more acceptable version `Overlaid` but I also left it as it is.~~

~~**Note:** In some places the term `Applyable` is used instead of the
correct version `Applicable` but I also left it as it is.~~

**Note:** Some usage of British vs American english e.g. `judgement` vs
`judgment`, `initialise` vs `initialize`, `optimise` vs `optimize` etc.
are both present in different places, but I suppose that's
understandable given the number of contributors.

~~**Note:** There is a spelling mistake in `.github/CODEOWNERS` but it
triggers errors in CI when I make changes to it, so I left it as it
is.~~

substrate/frame/nomination-pools/src/lib.rs

@@ -451,7 +451,7 @@ enum AccountType {
 /// The permission a pool member can set for other accounts to claim rewards on their behalf.
 #[derive(Encode, Decode, MaxEncodedLen, Clone, Copy, Debug, PartialEq, Eq, TypeInfo)]
 pub enum ClaimPermission {
-	/// Only the pool member themself can claim their rewards.
+	/// Only the pool member themselves can claim their rewards.
 	Permissioned,
 	/// Anyone can compound rewards on a pool member's behalf.
 	PermissionlessCompound,
@@ -2066,7 +2066,7 @@ pub mod pallet {
 		/// The member will earn rewards pro rata based on the members stake vs the sum of the
 		/// members in the pools stake. Rewards do not "expire".
 		///
-		/// See `claim_payout_other` to caim rewards on bahalf of some `other` pool member.
+		/// See `claim_payout_other` to claim rewards on behalf of some `other` pool member.
 		#[pallet::call_index(2)]
 		#[pallet::weight(T::WeightInfo::claim_payout())]
 		pub fn claim_payout(origin: OriginFor<T>) -> DispatchResult {
@@ -2797,7 +2797,7 @@ pub mod pallet {
 		/// Set or remove a pool's commission claim permission.
 		///
 		/// Determines who can claim the pool's pending commission. Only the `Root` role of the pool
-		/// is able to conifigure commission claim permissions.
+		/// is able to configure commission claim permissions.
 		#[pallet::call_index(22)]
 		#[pallet::weight(T::WeightInfo::set_commission_claim_permission())]
 		pub fn set_commission_claim_permission(
@@ -2836,7 +2836,7 @@ pub mod pallet {
 			assert!(
 				T::Staking::bonding_duration() < TotalUnbondingPools::<T>::get(),
 				"There must be more unbonding pools then the bonding duration /
-				so a slash can be applied to relevant unboding pools. (We assume /
+				so a slash can be applied to relevant unbonding pools. (We assume /
 				the bonding duration > slash deffer duration.",
 			);
 		}

substrate/frame/nomination-pools/src/migration.rs

@@ -70,7 +70,7 @@ pub mod unversioned {
 		fn on_runtime_upgrade() -> Weight {
 			let migrated = BondedPools::<T>::count();
 
-			// recalcuate the `TotalValueLocked` to compare with the current on-chain TVL which may
+			// recalculate the `TotalValueLocked` to compare with the current on-chain TVL which may
 			// be out of sync.
 			let tvl: BalanceOf<T> = helpers::calculate_tvl_by_total_stake::<T>();
 			let onchain_tvl = TotalValueLocked::<T>::get();