refactor: Clean up unused imports and improve code structure in 3D widget components

app/src/pages/UserAuth.tsx

@@ -74,10 +74,10 @@ const UserAuth: React.FC = () => {
         } catch (error) {
           console.error("Error fetching recent projects:", error);
         }
-
-
       } else if (res.message === "User Not Found!!! Kindly signup...") {
         setError("Account not found");
+      } else if (res.message === "Email & Password is invalid...Check the credentials") {
+        setError(res.message)
       } else if (res.message === "Already LoggedIn on another browser....Please logout!!!") {
         setError("Already logged in on another browser. Please logout first.");
         navigate("/");