Use randomly generated conference names for Jitsi

Fixes https://github.com/vector-im/element-web/issues/15205
Replaces https://github.com/matrix-org/matrix-react-sdk/pull/5322

This change uses a random ID for the Jitsi conference name to avoid any badly-named Jitsi calls, and overrides the "subject" (title) of the call so end users aren't typically exposed to the random ID.

src/utils/NamingUtils.ts

@@ -1,29 +0,0 @@
-/*
-Copyright 2020 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 * as projectNameGenerator from "project-name-generator";
-
-/**
- * Generates a human readable identifier. This should not be used for anything
- * which needs secure/cryptographic random: just a level uniquness that is offered
- * by something like Date.now().
- * @returns {string} The randomly generated ID
- */
-export function generateHumanReadableId(): string {
-    return projectNameGenerator({words: 3}).raw.map(w => {
-        return w[0].toUpperCase() + w.substring(1).toLowerCase();
-    }).join('');
-}

src/utils/WidgetUtils.ts

@@ -477,6 +477,7 @@ export default class WidgetUtils {
             'userId=$matrix_user_id',
             'roomId=$matrix_room_id',
             'theme=$theme',
+            'roomName=$roomName',
         ];
         if (opts.auth) {
             queryStringParts.push(`auth=${opts.auth}`);