fix: 404 when redirecting user clicks on Sign In button (#2349)

* fix: 404 when redirecting user to login page

* fix: next_path redirection not working

* fix: authentication workflow update in plane deploy

---------

Co-authored-by: gurusainath <gurusainath007@gmail.com>

space/pages/index.tsx

@@ -0,0 +1,19 @@
+import { useEffect } from "react";
+
+// next
+import { NextPage } from "next";
+import { useRouter } from "next/router";
+
+const Index: NextPage = () => {
+  const router = useRouter();
+  const { next_path } = router.query as { next_path: string };
+
+  useEffect(() => {
+    if (next_path) router.push(`/login?next_path=${next_path}`);
+    else router.push(`/login`);
+  }, [router, next_path]);
+
+  return null;
+};
+
+export default Index;