Switch to importing @types/{event,partials} from main js-sdk export (#11369)

src/customisations/Media.ts

@@ -15,7 +15,7 @@
  */
 
 import { MatrixClient } from "matrix-js-sdk/src/client";
-import { ResizeMethod } from "matrix-js-sdk/src/@types/partials";
+import { ResizeMethod } from "matrix-js-sdk/src/matrix";
 import { Optional } from "matrix-events-sdk";
 
 import { MatrixClientPeg } from "../MatrixClientPeg";