feat(grid): improve draft persistence and fix global save in national view

src/features/grid/store/use-grid-store.ts

@@ -82,6 +82,7 @@ export const useGridStore = create<GridState>()(
             partialize: (state) => ({
                 filters: state.filters,
                 displayDensity: state.displayDensity,
+                draftChanges: state.draftChanges,
             }),
         }
     )