hide mixer on Android (#41)

Author: RameshDPrasad

packages/mobile/src/hooks/useParticipants.ts

@@ -21,7 +21,11 @@ const useParticipants = () => {
 
   const participants = useMemo(() => {
     return rawParticipants.filter(
-      (p) => p.status && DISPLAYED_STATUSES.includes(p.status) && p.type?.toUpperCase() !== 'MIXER',
+      (p) =>
+        p.status &&
+        DISPLAYED_STATUSES.includes(p.status) &&
+        p.type?.toUpperCase() !== 'MIXER' &&
+        p.type?.toUpperCase() !== 'UNKNOWN',
     );
   }, [rawParticipants]);