[CodeReviewer] Multiple files with the same name cause issues
1. Upload files to a review in your sandbox.
2. Upload files to a review from the mainline.
3. Click on the filename in the mainline upload.
4. Get directed to the sandbox file, not the mainline file.
2. Upload files to a review from the mainline.
3. Click on the filename in the mainline upload.
4. Get directed to the sandbox file, not the mainline file.
