Contracts: Fix terminate benchmark (#3558)

Co-authored-by: Alexander Theißen <alex.theissen@me.com>
Co-authored-by: command-bot <>

substrate/frame/contracts/src/storage.rs

@@ -108,6 +108,11 @@ impl<T: Config> ContractInfo<T> {
 		Ok(contract)
 	}
 
+	/// Returns the number of locked delegate dependencies.
+	pub fn delegate_dependencies_count(&self) -> usize {
+		self.delegate_dependencies.len()
+	}
+
 	/// Associated child trie unique id is built from the hash part of the trie id.
 	pub fn child_trie_info(&self) -> ChildInfo {
 		ChildInfo::new_default(self.trie_id.as_ref())