selected project slide and create

src/providers/UserDataProvider.js

@@ -355,7 +355,9 @@ export default ({ children }) => {
   useEffect(() => {
     if (!Array.isArray(userProjects) || userProjects.length === 0) return;
     if (selectedProjectId) return;
-    if (currentUserDoc?.selectedProjectId) return;
+
+    const remoteSelectedId = currentUserDoc?.selectedProjectId;
+    if (remoteSelectedId !== undefined) return;
 
     const fallbackProjectId = userProjects[0]?.id;
     if (!fallbackProjectId) return;