Upgrade MSAL library version (#2454)

* Reapply "MSAL browser migration changes"

This reverts commit 60a65efb7b.

* Fix redirect URI for localhost

* Fix URI for logout and other minor fix

* Remove unnecessary files

* Fix tests

* Fix tests

* Run npm format

* Address comments

* Address comment

src/redirectBridge.ts

@@ -0,0 +1,15 @@
+/**
+ * MSAL COOP Redirect Bridge
+ *
+ * This page handles the authentication response from the Identity Provider (IdP)
+ * and broadcasts it to the main application frame. Required for msal-browser v5+
+ * to securely handle auth responses when the IdP sets Cross-Origin-Opener-Policy headers.
+ *
+ * Security Note: This file must be bundled with your application, NOT loaded from a CDN.
+ *
+ */
+import { broadcastResponseToMainFrame } from "@azure/msal-browser/redirect-bridge";
+
+broadcastResponseToMainFrame().catch((error: unknown) => {
+  console.error("MSAL redirect bridge error:", error);
+});