✅ new title prefix path for item copy

tests/unit/store/item.spec.js

@@ -179,7 +179,7 @@ describe('store/item', () => {
           expect(title === metaTitle, 'same titles').to.be.true
         })
         it('should have prefixed titles', () => {
-          const prefix = i18n.t('item.copyOf')
+          const prefix = i18n.t('item.copy.prefix')
           expect(title.startsWith(prefix), 'title prefix').to.be.true
         })
         it('should refer to old title', () => {