[results feed] Fix login button

The name of the button press handler was not updated correctly in
https://dart-review.googlesource.com/c/dart_ci/+/147560

Change-Id: I2252597d2e558e8533aba9342713e232b234ea5d
Reviewed-on: https://dart-review.googlesource.com/c/dart_ci/+/149141
Reviewed-by: Alexander Thomas <athom@google.com>
diff --git a/results_feed/lib/src/components/app.html b/results_feed/lib/src/components/app.html
index e19d945..852b4ca 100644
--- a/results_feed/lib/src/components/app.html
+++ b/results_feed/lib/src/components/app.html
@@ -13,7 +13,7 @@
   </span>
   <span
       class="button"
-      (trigger)="toggleLogin()">
+      (click)="toggleLogin()">
     {{loginMessage}}
   </span>
 </header>