I would extend that to a toggle and saving plugins settings as a whole, not just tabs.
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on the save/manage workspaces window a toggle: ‘save/apply current plugins settings’
(on-off) -
when off just the panels are saved, like it is right now
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when on all current plugin settings (checkboxes marked, dropdowns chosen etc) is saved/assigned to the workspace
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opening saved workspaces that had settings assigned would imediatly turn on-off/ change settings to the state it was saved with
that way its broad and future proof, instead of changing things to work with 1 specific plugin