Add empty message when there are not local targets

app/components/sdg/goals/targets_component.html.erb

@@ -10,12 +10,18 @@
   <div class="tabs-content" data-tabs-content="target_tabs">
     <% [global_targets, local_targets].each do |targets| %>
       <div class="tabs-panel <%= active(targets) %>" id="tab_<%= type(targets) %>_targets">
-        <dl>
-          <% targets.sort.each do |target| %>
-            <dt><%= target.code %><dt>
-            <dd><%= target.title %><dd>
-          <% end %>
-        </dl>
+        <% if targets.blank? %>
+          <div class="callout primary">
+            <%= t("sdg.goals.show.targets.no_local_targets") %>
+          </div>
+        <% else %>
+          <dl>
+            <% targets.sort.each do |target| %>
+              <dt><%= target.code %><dt>
+              <dd><%= target.title %><dd>
+            <% end %>
+          </dl>
+        <% end %>
       </div>
     <% end %>
   </div>

config/locales/en/sdg.yml

@@ -444,6 +444,8 @@ en:
       show:
         read_more: "Read more about %{goal}"
         read_less: "Read less about %{goal}"
+        targets:
+          no_local_targets: This goal has no local targets
       title: "Sustainable Development Goals"
       filter:
         heading: "Filters by SDG"

config/locales/es/sdg.yml

@@ -444,6 +444,8 @@ es:
       show:
         read_more: "Leer más sobre %{goal}"
         read_less: "Leer menos sobre %{goal}"
+        targets:
+          no_local_targets: Este objetivo no tiene metas localizadas
       title: "Objetivos de Desarrollo Sostenible"
       filter:
         heading: "Filtros por ODS"