closes: https://github.com/TryGhost/Ghost/issues/15470
- When multiple browser tabs are open, each manipulate a different copy of ember data model, changes to the model in one tab are not reflected in the model of the other tab.
- When updating some settings, all current settings were sent to the API.
- As a result, when updating two different categories of settings (navigation/code inspection) in different tabs, the second update was overriding the first one.
- From a user perspective, this is not a natural behaviour. Only settings visible on-screen when clicking save should be modified.
Co-authored-by: Kevin Ansfield <kevin@lookingsideways.co.uk>
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