Make image debug handler on webpage reliable

Change-Id: I16bd8724b600f431b716e482da6595be60216244
Signed-off-by: James Kuszmaul <jabukuszmaul@gmail.com>
diff --git a/y2022/www/field_handler.ts b/y2022/www/field_handler.ts
index bda6828..6c2df51 100644
--- a/y2022/www/field_handler.ts
+++ b/y2022/www/field_handler.ts
@@ -97,7 +97,9 @@
     }
 
     this.connection.addConfigHandler(() => {
-      this.connection.addHandler(
+      // Visualization message is reliable so that we can see *all* the vision
+      // matches.
+      this.connection.addReliableHandler(
           '/localizer', LocalizerVisualization.getFullyQualifiedName(),
           (data) => {
             this.handleLocalizerDebug(data);