Fix: Metadata bugs. (#12111)

### What problem does this PR solve?

Fix: Metadata bugs.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

---------

Co-authored-by: Kevin Hu <kevinhu.sh@gmail.com>

web/src/locales/en.ts

@@ -191,6 +191,8 @@ Procedural Memory: Learned skills, habits, and automated procedures.`,
         fieldName: 'Field name',
         editMetadata: 'Edit metadata',
       },
+      metadataField: 'Metadata field',
+      systemAttribute: 'System attribute',
       localUpload: 'Local upload',
       fileSize: 'File size',
       fileType: 'File type',