Close local preview when its publication ends

tools/chatgui-android/app/src/main/java/com/utun/chat/ui/screens/StreamScreen.kt

@@ -79,6 +79,7 @@ fun StreamScreen(channelId: String, channelName: String, onBack: () -> Unit) {
         }
     }
     LaunchedEffect(sources, local?.id, local?.phase) {
+        if (local != null && !local.ongoing && selected?.self == true) selected = null
         if (local?.phase == StreamPhase.LIVE && previewedSession != local.id) sources.firstOrNull { it.self }?.let {
             selected = it; previewedSession = local.id
         }