feat: show call participants in room list (Discord-style)

apps/web/test/test-utils/predictableRandom.ts

@@ -0,0 +1,28 @@
+/*
+Copyright 2024 New Vector Ltd.
+Copyright 2023 The Matrix.org Foundation C.I.C.
+
+SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
+Please see LICENSE files in the repository root for full details.
+*/
+
+// Fake random strings to give a predictable snapshot for IDs
+// Simple Xorshift random number generator with predictable ID
+export class PredictableRandom {
+    private state: number;
+
+    constructor() {
+        this.state = 314159265;
+    }
+
+    get(): number {
+        this.state ^= this.state << 13;
+        this.state ^= this.state >> 17;
+        this.state ^= this.state << 5;
+        return this.state / 1073741823;
+    }
+
+    reset(): void {
+        this.state = 314159265;
+    }
+}