Use mapped types around account data events (#28752)

* Use mapped types around account data events

---------

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

playwright/pages/client.ts

@@ -25,6 +25,7 @@ import type {
     Upload,
     StateEvents,
     TimelineEvents,
+    AccountDataEvents,
 } from "matrix-js-sdk/src/matrix";
 import type { RoomMessageEventContent } from "matrix-js-sdk/src/types";
 import { Credentials } from "../plugins/homeserver";
@@ -439,11 +440,14 @@ export class Client {
      * @param type The type of account data to set
      * @param content The content to set
      */
-    public async setAccountData(type: string, content: IContent): Promise<void> {
+    public async setAccountData<T extends keyof AccountDataEvents>(
+        type: T,
+        content: AccountDataEvents[T],
+    ): Promise<void> {
         const client = await this.prepareClient();
         return client.evaluate(
             async (client, { type, content }) => {
-                await client.setAccountData(type, content);
+                await client.setAccountData(type as T, content as AccountDataEvents[T]);
             },
             { type, content },
         );