Reference dialog displays active 'Apply changes' in beta, test2, and production.
Transclusion displays active 'Apply changes' in beta and test2.
The issue was previously resolved:
https://phabricator.wikimedia.org/T76928
The reference dialog should disable the "Apply changes" button until a change is present
https://phabricator.wikimedia.org/T76926
The transclusion dialog should disable the "Apply changes" button until a change is present
The tracking summary: https://phabricator.wikimedia.org/T57976