Ensure all Scrollbars have dedicated Controllers

Fix: #602

+      - name: deps
+        path: /root/.pub-cache
+    commands:
+      # - flutter config --enable-linux-desktop

+    commands:
+      # - flutter config --enable-linux-desktop
+      - sudo apt update
+      - sudo apt-get install -y xvfb

+      - sudo apt-get install -y xvfb
+      - ./fetch-tor.sh
+      - export PATH=$PATH:$PWD/linux/Tor
+      - export LD_LIBRARY_PATH="$PWD/linux/Tor/"

   WidgetsFlutterBinding.ensureInitialized();
   print("runApp()");
-  runApp(Flwtch());
+  print("Testing");

   Future<dynamic> shutdownDirect(MethodCall call) async {
     print(call);
-    await cwtch.Shutdown();
+    await cwtch.Shutdown().timeout(Duration(seconds: 1));

   Future<void> shutdown() async {
     globalAppState.SetModalState(ModalState.shutdown);
-    await cwtch.Shutdown();
+    print("shutting down");

+    await cwtch.Shutdown().timeout(Duration(seconds: 1));
     // Wait a few seconds as shutting down things takes a little time..
-    Future.delayed(Duration(seconds: 1)).then((value) {
+    print("done");

-  xdg-open integration_test/gherkin/reports/cucumber_report.html
-fi
+
+LD_LIBRARY_PATH=$LD_LIBRARY_PATH:"./linux/"