[results feed] Add GitHub issue search link to test popup

Change-Id: I1a0de4d81dd68ff1fdb86c07f4c7d9285a588d70
Reviewed-on: https://dart-review.googlesource.com/c/dart_ci/+/161740
Reviewed-by: Alexander Thomas <athom@google.com>
diff --git a/results_feed/lib/src/components/results_panel.html b/results_feed/lib/src/components/results_panel.html
index 65b82f6..96155fc 100644
--- a/results_feed/lib/src/components/results_panel.html
+++ b/results_feed/lib/src/components/results_panel.html
@@ -36,6 +36,11 @@
           [preferredPositions]="preferredTooltipPositions">
         <div *deferredContent>
           <h4>{{change.name}}</h4>
+          <a
+              href="https://github.com/dart-lang/sdk/issues?q=is%3Aissue+{{change.name}}"
+              target="_blank">
+            GitHub issue search
+          </a><br>
           <dart-log
               *ngFor="let configuration of change.configurations.configurations"
               [configuration]="configuration"
@@ -50,6 +55,11 @@
           [preferredPositions]="preferredTooltipPositions">
         <div *deferredContent>
           <h4>{{change.name}}</h4>
+          <a
+              href="https://github.com/dart-lang/sdk/issues?q=is%3Aissue+{{change.name}}"
+              target="_blank">
+            GitHub issue search
+          </a><br>
           <div *ngFor="let configuration of change.configurations.configurations">
             {{configuration}}
             <a
diff --git a/results_feed/lib/src/components/results_selector_panel.html b/results_feed/lib/src/components/results_selector_panel.html
index 0c07656..3b6338b 100644
--- a/results_feed/lib/src/components/results_selector_panel.html
+++ b/results_feed/lib/src/components/results_selector_panel.html
@@ -57,6 +57,11 @@
           [preferredPositions]="preferredTooltipPositions">
         <div *deferredContent>
           <h4>{{change.name}}</h4>
+          <a
+               href="https://github.com/dart-lang/sdk/issues?q=is%3Aissue+{{change.name}}"
+               target="_blank">
+            GitHub issue search
+          </a><br>
           <dart-log
               *ngFor="let configuration of change.configurations.configurations"
               [configuration]="configuration"
@@ -71,6 +76,11 @@
           [preferredPositions]="preferredTooltipPositions">
         <div *deferredContent>
           <h4>{{change.name}}</h4>
+          <a
+              href="https://github.com/dart-lang/sdk/issues?q=is%3Aissue+{{change.name}}"
+              target="_blank">
+            GitHub issue search
+          </a><br>
           <div *ngFor="let configuration of change.configurations.configurations">
             {{configuration}}
             <a