agent: resolve useless_conversion warning for Rust 1.95

Remove redundant `.into_iter()` call on `zip()` argument in
`multi_layer_erofs.rs`, as flagged by the new
`clippy::useless_conversion` lint in Rust 1.95.

Generated-by: IBM Bob
Signed-off-by: stevenhorsman <steven@uk.ibm.com>

src/agent/src/storage/multi_layer_erofs.rs

@@ -319,7 +319,7 @@ pub async fn handle_multi_layer_erofs_group(
     let futures: Vec<_> = erofs_storages
         .iter()
         .enumerate()
-        .zip(resolved_base_devs.into_iter())
+        .zip(resolved_base_devs)
         .map(|((index, erofs), base_dev_path)| {
             let lower_mount = lower_mount_paths[index].clone();
             let sandbox = Arc::clone(sandbox);