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/primitives/trie/src/node_codec.rs

@@ -231,12 +231,15 @@ where
 	) -> Vec<u8> {
 		let contains_hash = matches!(&value, Some(Value::Node(..)));
 		let mut output = match (&value, contains_hash) {
-			(&None, _) =>
-				partial_from_iterator_encode(partial, number_nibble, NodeKind::BranchNoValue),
-			(_, false) =>
-				partial_from_iterator_encode(partial, number_nibble, NodeKind::BranchWithValue),
-			(_, true) =>
-				partial_from_iterator_encode(partial, number_nibble, NodeKind::HashedValueBranch),
+			(&None, _) => {
+				partial_from_iterator_encode(partial, number_nibble, NodeKind::BranchNoValue)
+			},
+			(_, false) => {
+				partial_from_iterator_encode(partial, number_nibble, NodeKind::BranchWithValue)
+			},
+			(_, true) => {
+				partial_from_iterator_encode(partial, number_nibble, NodeKind::HashedValueBranch)
+			},
 		};
 
 		let bitmap_index = output.len();
@@ -287,10 +290,12 @@ fn partial_from_iterator_encode<I: Iterator<Item = u8>>(
 		NodeKind::Leaf => NodeHeader::Leaf(nibble_count).encode_to(&mut output),
 		NodeKind::BranchWithValue => NodeHeader::Branch(true, nibble_count).encode_to(&mut output),
 		NodeKind::BranchNoValue => NodeHeader::Branch(false, nibble_count).encode_to(&mut output),
-		NodeKind::HashedValueLeaf =>
-			NodeHeader::HashedValueLeaf(nibble_count).encode_to(&mut output),
-		NodeKind::HashedValueBranch =>
-			NodeHeader::HashedValueBranch(nibble_count).encode_to(&mut output),
+		NodeKind::HashedValueLeaf => {
+			NodeHeader::HashedValueLeaf(nibble_count).encode_to(&mut output)
+		},
+		NodeKind::HashedValueBranch => {
+			NodeHeader::HashedValueBranch(nibble_count).encode_to(&mut output)
+		},
 	};
 	output.extend(partial);
 	output