## Description 

Missing modules errors do not have a file to point to since their file
has been removed during upgrade or otherwise unknown since the
declaration is gone from its previous file if the file still exists.
Align missing modules errors with the behavior of other errors by using
Move.toml as the reference point for these errors and pointing to the
"package" instead.

## Test plan 

snapshots

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## Release notes

Check each box that your changes affect. If none of the boxes relate to
your changes, release notes aren't required.

For each box you select, include information after the relevant heading
that describes the impact of your changes that a user might notice and
any actions they must take to implement updates.

- [ ] Protocol: 
- [ ] Nodes (Validators and Full nodes): 
- [ ] Indexer: 
- [ ] JSON-RPC: 
- [ ] GraphQL: 
- [ ] CLI: 
- [ ] Rust SDK:
- [ ] REST API: