fix clippy warnings (#804)

helix-term/src/commands.rs

@@ -2346,10 +2346,10 @@ mod cmd {
 
     pub static COMMANDS: Lazy<HashMap<&'static str, &'static TypableCommand>> = Lazy::new(|| {
         TYPABLE_COMMAND_LIST
-            .into_iter()
+            .iter()
             .flat_map(|cmd| {
                 std::iter::once((cmd.name, cmd))
-                    .chain(cmd.aliases.into_iter().map(move |&alias| (alias, cmd)))
+                    .chain(cmd.aliases.iter().map(move |&alias| (alias, cmd)))
             })
             .collect()
     });