[BUG] HNSW index initialized with wrong id (#2158)

## Description of changes

*Summarize the changes made by this PR.*
 - Improvements & Bug fixes
	 - Fix a bug where the hnsw index is initalized incorrectly
 - New functionality
	 - None

## Test plan
*How are these changes tested?*
Adds a basic test for the bugfixed case
- [x] Tests pass locally with `pytest` for python, `yarn test` for js,
`cargo test` for rust

## Documentation Changes
*Are all docstrings for user-facing APIs updated if required? Do we need
to make documentation changes in the [docs
repository](https://github.com/chroma-core/docs)?*

rust/worker/src/index/hnsw_provider.rs

@@ -109,7 +109,7 @@ impl HnswIndexProvider {
             }
         };
 
-        match HnswIndex::load(storage_path_str, &index_config, *source_id) {
+        match HnswIndex::load(storage_path_str, &index_config, new_id) {
             Ok(index) => {
                 let index = Arc::new(RwLock::new(index));
                 let mut cache = self.cache.write();