The collapsible fieldset is not always used:
- Block: No
- Workflow Tab: No
- Comment Form: Yes
- Node Form: Yes
You can set this in the Workflow settings.
As a result, when having Action Buttons enabled, and Comments hidden, the fieldset is sometimes shown sometimes not.
You might want to show the helpt text.
Active
1.0
User interface
Not all content is available!
It's likely this issue predates Contrib.social: some issue and comment data are missing.