[fuchsia_reload] Fix port filter (#11828)

packages/flutter_tools/lib/src/commands/fuchsia_reload.dart

@@ -172,11 +172,12 @@ class FuchsiaReloadCommand extends FlutterCommand {
 
   // Find ports where there is a view isolate with the given name
   Future<List<int>> _filterPorts(List<int> ports, String viewFilter) async {
+    printTrace('Looing for view $viewFilter');
     final List<int> result = <int>[];
     for (FlutterView v in await _getViews(ports)) {
       final Uri addr = v.owner.vmService.httpAddress;
       printTrace('At $addr, found view: ${v.uiIsolate.name}');
-      if (v.uiIsolate.name.indexOf(viewFilter) == 0)
+      if (v.uiIsolate.name.contains(viewFilter))
         result.add(addr.port);
     }
     return result;