feat: reset lastSaved time after document load

src/components/Settings/Overlay.tsx

@@ -943,6 +943,7 @@ const SettingsOverlay: Component = () => {
                   setLoadModal("loading", false);
 
                   if (!loadModal.errors) {
+                    setUiState("lastSaved", getUnixTime(new Date()));
                     await sleep(1100);
                     setLoadModal("open", false);
                   }