Implement new renderNotificationDecoration from module API (#31389)

* Upgrade module api package

* Add a wrapper component

So that we can render the decoration component with just the room.

* Implement module API method

* Add more tests

src/modules/components/ModuleNotificationDecoration.tsx

@@ -0,0 +1,29 @@
+/*
+Copyright 2025 Element Creations Ltd.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+import React, { useMemo } from "react";
+
+import type { Room } from "matrix-js-sdk/src/matrix";
+import { RoomNotificationStateStore } from "../../stores/notifications/RoomNotificationStateStore";
+import { useCall } from "../../hooks/useCall";
+import { NotificationDecoration } from "../../components/views/rooms/NotificationDecoration";
+
+export interface ModuleNotificationDecorationProps {
+    /**
+     * The room for which the decoration is rendered.
+     */
+    room: Room;
+}
+
+/**
+ * React component that takes a room as prop and renders {@link NotificationDecoration} with it.
+ * Used by the module API to render notification decoration without having to expose a bunch of stores.
+ */
+export const ModuleNotificationDecoration: React.FC<ModuleNotificationDecorationProps> = ({ room }) => {
+    const notificationState = useMemo(() => RoomNotificationStateStore.instance.getRoomState(room), [room]);
+    const call = useCall(room.roomId);
+    return <NotificationDecoration notificationState={notificationState} callType={call?.callType} />;
+};