Protected Branches Expand Button Initially Expands Wrong Section

Summary

The very first time /repo/settings/repository is loaded, the Protected Branches "Expand" button expands the wrong section.

Steps to reproduce

1. Refresh the page "/repo/settings/repository"
2. Click "Expand" under the "Protected Branches" section.
3. Note that "Mirror Repositories" expands instead

Relevant logs and/or screenshots