Fix auto-show of What's New on first launch after an app update.

src/app/components/updates-dialog/UpdatesDialogHost.tsx

@@ -41,6 +41,11 @@ export function UpdatesDialogHost() {
     setManifest(null);
     setActiveDoc(null);
     setLoading(false);
+    getAppVersion().then((version) => {
+      if (version !== 'unknown') {
+        setLastSeenAppVersion(version);
+      }
+    });
   }, [setDialogState]);
 
   const selectFile = useCallback(async (file: string) => {
@@ -73,7 +78,7 @@ export function UpdatesDialogHost() {
       if (cancelled || currentVersion === 'unknown') return;
 
       const lastSeen = getLastSeenAppVersion();
-      const shouldAutoShow = Boolean(lastSeen && lastSeen !== currentVersion);
+      const shouldAutoShow = lastSeen !== currentVersion;
 
       if (shouldAutoShow) {
         const loadedManifest = await loadUpdateManifest();
@@ -87,10 +92,6 @@ export function UpdatesDialogHost() {
         setDialogState({ open: true, manual: false });
         clearPendingReleaseNotes();
       }
-
-      if (!lastSeen || lastSeen !== currentVersion) {
-        setLastSeenAppVersion(currentVersion);
-      }
     };
 
     const timer = window.setTimeout(checkVersion, 1500);