Fix import breaking types in release mode

Author: dbkr

src/sentry.ts

@@ -19,7 +19,7 @@ import PlatformPeg from "./PlatformPeg";
 import SdkConfig from "./SdkConfig";
 import { MatrixClientPeg } from "./MatrixClientPeg";
 import SettingsStore from "./settings/SettingsStore";
-import { MatrixClient } from "matrix-js-sdk";
+import { MatrixClient } from "matrix-js-sdk/src/client";
 
 /* eslint-disable camelcase */