[DSC-2363] fix missing label

Author: Andrea Barbasso

src/assets/i18n/en.json5

@@ -4042,6 +4042,8 @@
 
   "itemtemplate.edit.metadata.headers.value": "Value",
 
+  "itemtemplate.edit.metadata.headers.authority": "Authority",
+
   "itemtemplate.edit.metadata.metadatafield": "Edit field",
 
   "itemtemplate.edit.metadata.metadatafield.error": "An error occurred validating the metadata field",