fix(voice): reuse the Linux audio capture across routing changes (#2440)

fluxer_desktop/native/linux-audio-capture/index.d.ts

@@ -120,6 +120,8 @@ export declare class ProcessLoopback extends EventEmitter implements ProcessLoop
 
 	start(): void;
 
+	setRoutingRule(target: {linuxRule: JsRoutingRule} | number, options?: {includeProcessTree?: boolean}): boolean;
+
 	routingGraph(): RoutingGraph | null;
 
 	stop(): Promise<void>;