Add an OAuthPresenterHook. (#5545)

* Add an OAuthPresenterHook.

* Update the enterprise submodule.

ElementX/Sources/AppHooks/Hooks/OAuthPresenterHook.swift

@@ -0,0 +1,19 @@
+//
+// Copyright 2025 Element Creations Ltd.
+// Copyright 2025 New Vector Ltd.
+//
+// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
+// Please see LICENSE files in the repository root for full details.
+//
+
+import Foundation
+
+protocol OAuthPresenterHookProtocol {
+    func update(_ url: URL) -> URL
+}
+
+struct DefaultOAuthPresenterHook: OAuthPresenterHookProtocol {
+    func update(_ url: URL) -> URL {
+        url
+    }
+}