## Description
When opening an edit page directly loading old content with `oldid`, the loaded content is different from the current version.
However, the "Publish" button is only activated when there's a difference from the "initial content" loaded in the site state.
What to do when the **initial content** differs from the **current persisted content**?
**Reproduce**
* View https://www.wikifunctions.org/wiki/?action=edit&oldid=1198
* Notice the publish button is disabled (should be enabled instead)
**Desired behavior/Acceptance criteria**
* [ ] ...
**Devices and Design (URLs or screenshots)**
* Desktop: ...
* Small screens/mobile: ...
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## Completion checklist
* [ ] Before closing this task, review one by one the checklist available here: https://www.mediawiki.org/wiki/Abstract_Wikipedia_team/Definition_of_Done#Front-end_Task/Bug_Completion_Checklist