fix: Bug - Voice states doesn't get cleared for all users on leave

Broadcast a cleared voice_state when voice-active sockets drop and reset mute/deafen flags on disconnect or reconnect so stale session state cannot leak to other clients.

Co-authored-by: Cursor <cursoragent@cursor.com>

toju-app/src/app/store/users/users-status.reducer.spec.ts

@@ -373,8 +373,8 @@ describe('users reducer - status', () => {
         presenceServerIds: ['s1'],
         voiceState: {
           isConnected: true,
-          isMuted: false,
-          isDeafened: false,
+          isMuted: true,
+          isDeafened: true,
           isSpeaking: true,
           roomId: 'voice-1',
           serverId: 's1'
@@ -390,6 +390,8 @@ describe('users reducer - status', () => {
       expect(state.entities['u6']?.presenceServerIds).toBeUndefined();
       expect(state.entities['u6']?.isOnline).toBe(false);
       expect(state.entities['u6']?.voiceState?.isConnected).toBe(false);
+      expect(state.entities['u6']?.voiceState?.isMuted).toBe(false);
+      expect(state.entities['u6']?.voiceState?.isDeafened).toBe(false);
       expect(state.entities['u6']?.voiceState?.roomId).toBeUndefined();
     });
   });