Handle broadcast chunk errors (#9970)

* Use strings for broadcast playback states

* Handle broadcast decode errors

src/voice-broadcast/components/atoms/VoiceBroadcastError.tsx

@@ -0,0 +1,32 @@
+/*
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from "react";
+
+import { Icon as WarningIcon } from "../../../../res/img/element-icons/warning.svg";
+
+interface Props {
+    message: string;
+}
+
+export const VoiceBroadcastError: React.FC<Props> = ({ message }) => {
+    return (
+        <div className="mx_VoiceBroadcastRecordingConnectionError">
+            <WarningIcon className="mx_Icon mx_Icon_16" />
+            {message}
+        </div>
+    );
+};