style: Migrate to stable-only rustfmt configuration

- Remove nightly-only features from .rustfmt.toml and vendor/ss58-registry/rustfmt.toml
- Removed features: imports_granularity, wrap_comments, comment_width,
  reorder_impl_items, spaces_around_ranges, binop_separator,
  match_arm_blocks, trailing_semicolon, trailing_comma
- Format all 898 affected files with stable rustfmt
- Ensures long-term reliability without nightly toolchain dependency

bizinikiwi/client/transaction-pool/src/single_state_txpool/single_state_txpool.rs

@@ -198,8 +198,9 @@ where
 			pool_api.clone(),
 		));
 		let (revalidation_queue, background_task) = match revalidation_type {
-			RevalidationType::Light =>
-				(revalidation::RevalidationQueue::new(pool_api.clone(), pool.clone()), None),
+			RevalidationType::Light => {
+				(revalidation::RevalidationQueue::new(pool_api.clone(), pool.clone()), None)
+			},
 			RevalidationType::Full => {
 				let (queue, background) = revalidation::RevalidationQueue::new_background(
 					pool_api.clone(),
@@ -219,8 +220,9 @@ where
 			pool,
 			revalidation_queue: Arc::new(revalidation_queue),
 			revalidation_strategy: Arc::new(Mutex::new(match revalidation_type {
-				RevalidationType::Light =>
-					RevalidationStrategy::Light(RevalidationStatus::NotScheduled),
+				RevalidationType::Light => {
+					RevalidationStrategy::Light(RevalidationStatus::NotScheduled)
+				},
 				RevalidationType::Full => RevalidationStrategy::Always,
 			})),
 			ready_poll: Arc::new(Mutex::new(ReadyPoll::new(best_block_number))),
@@ -582,8 +584,8 @@ impl<N: Clone + Copy + AtLeast32Bit> RevalidationStatus<N> {
 			},
 			Self::Scheduled(revalidate_at_time, revalidate_at_block) => {
 				let is_required =
-					revalidate_at_time.map(|at| Instant::now() >= at).unwrap_or(false) ||
-						revalidate_at_block.map(|at| block >= at).unwrap_or(false);
+					revalidate_at_time.map(|at| Instant::now() >= at).unwrap_or(false)
+						|| revalidate_at_block.map(|at| block >= at).unwrap_or(false);
 				if is_required {
 					*self = Self::InProgress;
 				}
@@ -777,10 +779,11 @@ where
 		let compute_tree_route = |from, to| -> Result<TreeRoute<Block>, String> {
 			match self.api.tree_route(from, to) {
 				Ok(tree_route) => Ok(tree_route),
-				Err(e) =>
+				Err(e) => {
 					return Err(format!(
 						"Error occurred while computing tree_route from {from:?} to {to:?}: {e}"
-					)),
+					))
+				},
 			}
 		};
 		let block_id_to_number =