There is no way to prevent that unless you do it using a plugin. Project admins are supposed to administer the project and they should be able to change everything that doesn't impact other projects or the system itself.
In fact, there are feature requests to grant more permissions to project admins and some of that are already available now. For example, editing workflows that are not shared by other projects.
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Hi Community, Jessica here from the Confluence Product Marketing team! July’s community challenge is all about sharing pictures — and as an extension of our first post on what ...
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