feat(clippy): add iter_without_into_iter (#9195)

Co-authored-by: Matthias Seitz <matthias.seitz@outlook.de>
Co-authored-by: Roman Krasiuk <rokrassyuk@gmail.com>

crates/trie/trie/src/prefix_set/mod.rs

@@ -177,6 +177,14 @@ impl PrefixSet {
     }
 }
 
+impl<'a> IntoIterator for &'a PrefixSet {
+    type IntoIter = std::slice::Iter<'a, reth_trie_common::Nibbles>;
+    type Item = &'a reth_trie_common::Nibbles;
+    fn into_iter(self) -> Self::IntoIter {
+        self.iter()
+    }
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;