Fix empty state for build that doesn ot have a trace

It also adds a fallback that covers other edge cases that might surface
later.

lib/gitlab/ci/status/build/common.rb

@@ -3,6 +3,13 @@ module Gitlab
     module Status
       module Build
         module Common
+          def illustration
+            {
+              image: 'illustrations/skipped-job_empty.svg',
+              size: 'svg-430'
+            }
+          end
+
           def has_details?
             can?(user, :read_build, subject)
           end

lib/gitlab/ci/status/build/empty.rb

+module Gitlab
+  module Ci
+    module Status
+      module Build
+        class Empty < Status::Extended
+          def illustration
+            {
+              image: 'illustrations/skipped-job_empty.svg',
+              size: 'svg-430',
+              title: _('This job does not have a trace.')
+            }
+          end
+
+          def self.matches?(build, user)
+            !build.has_trace?
+          end
+        end
+      end
+    end
+  end
+end

lib/gitlab/ci/status/build/factory.rb

@@ -17,7 +17,8 @@ module Gitlab
               Status::Build::Play,
               Status::Build::Stop],
              [Status::Build::Action],
-             [Status::Build::Retried]]
+             [Status::Build::Retried],
+             [Status::Build::Empty]]
           end
 
           def self.common_helpers