Ensure multibandvolume returns 0 if no track is passed (#1223)

Co-authored-by: Ryan Gaus <[email protected]>

Author: lukasIO

.changeset/dull-cherries-chew.md

@@ -0,0 +1,5 @@
+---
+"@livekit/components-react": patch
+---
+
+Ensure multibandvolume returns 0 if no track is passed

packages/react/src/hooks/useTrackVolume.ts

@@ -119,6 +119,7 @@ export function useMultibandTrackVolume(
 
   React.useEffect(() => {
     if (!track || !track?.mediaStream) {
+      setFrequencyBands((val) => val.slice().fill(0));
       return;
     }
     const { analyser, cleanup } = createAudioAnalyser(track, opts.analyserOptions);