fix(audio): Fix audio watcher busy looping

alvr/audio/src/linux.rs

@@ -10,7 +10,7 @@ use pipewire::{
     },
     stream::{StreamFlags, StreamListener, StreamState},
 };
-use std::{cmp, collections::VecDeque, sync::Arc, thread};
+use std::{cmp, collections::VecDeque, sync::Arc, thread, time::Duration};
 struct Terminate;
 
 pub fn play_microphone_loop_pipewire(
@@ -218,7 +218,9 @@ pub fn record_audio_blocking_pipewire(
     let is_running_clone_for_pw_terminate: Arc<dyn Fn() -> bool + Send + Sync> =
         Arc::clone(&is_running);
     thread::spawn(move || {
-        while is_running_clone_for_pw_terminate() {}
+        while is_running_clone_for_pw_terminate() {
+            thread::sleep(Duration::from_millis(500));
+        }
         if pw_sender.send(Terminate).is_err() {
             error!(
                 "Couldn't send pipewire termination signal, deinitializing forcefully.