Replace retried build icon with fa-refresh

app/assets/stylesheets/pages/pipelines.scss

@@ -113,7 +113,8 @@
 
     .fa {
       font-size: 12px;
-      color: $table-text-gray;
+      color: $gl-text-color;
+      margin-left: 3px;
     }
 
     .commit-id {

app/views/projects/ci/builds/_build.html.haml

@@ -35,8 +35,9 @@
 
     - if build.stuck?
       = icon('warning', class: 'text-warning has-tooltip', title: 'Build is stuck. Check runners.')
-    - if retried
-      = icon('warning', class: 'text-warning has-tooltip', title: 'Build was retried.')
+
+    - if defined?(retried) && retried
+      = icon('refresh', class: 'text-warning has-tooltip', title: 'Build was retried.')
 
     .label-container
       - if build.tags.any?