Add option to allow ICE server fallback

Signed-off-by: Šimon Brandner <simon.bra.ag@gmail.com>

src/matrix-utils.ts

@@ -24,6 +24,8 @@ import { getUrlParams } from "./UrlParams";
 export const defaultHomeserver =
   (import.meta.env.VITE_DEFAULT_HOMESERVER as string) ??
   `${window.location.protocol}//${window.location.host}`;
+export const fallbackICEServerAllowed =
+  import.meta.env.VITE_FALLBACK_ICE_ALLOWED === "true";
 
 export const defaultHomeserverHost = new URL(defaultHomeserver).host;
 
@@ -152,6 +154,7 @@ export async function initClient(
     // so we don't want API calls taking ages, we'd rather they just fail.
     localTimeoutMs: 5000,
     useE2eForGroupCall: e2eEnabled,
+    fallbackICEServerAllowed: fallbackICEServerAllowed,
   });
 
   try {