Fix #2482 (#2493)

app/views/admin/communication/blocks/templates/call_to_action/_show.html.erb

@@ -11,7 +11,10 @@ call_to_action_class += ' call_to_action--with-title' unless block.title.blank?
           <%= render 'admin/communication/blocks/partials/top', block: block %>
           <% if block.template.elements %>
             <div class="actions" <% if block.template.elements.count > 1 %>role="group"<% end %>>
-              <% block.template.elements.each do |element| %>
+              <%
+              block.template.elements.each do |element|
+                next if element.title.blank?
+                %>
                 <% if element.title %>
                   <a href="<%= block_component_show block, :url, template: element %>"
                     <% if element.target_blank %>

app/views/admin/communication/blocks/templates/call_to_action/_snippet.html.erb

 <div class="mb-1"><%= block_component_snippet block, :text %></div>
-<% block.template.elements.each_with_index do |element, index| %>
+<%
+block.template.elements.each_with_index do |element, index|
+  next if element.title.blank?
+  %>
   <a class="btn disabled <%= index.zero? ? 'btn-dark' : 'btn-light' %>">
     <%= block_component_snippet block, :title, template: element %>
   </a>

app/views/admin/communication/blocks/templates/call_to_action/_static.html.erb

@@ -4,9 +4,11 @@
 <%= block_component_static block, :alt %>
 <%= block_component_static block, :credit %>
       buttons:
-<% block.template.elements.each do |element| %>
+<%
+block.template.elements.each do |element|
+  next if element.title.blank?
+  %>
 <%= block_component_static block, :title, template: element, list: true, depth: 4 %>
 <%= block_component_static block, :url, template: element, depth: 5 %>
 <%= block_component_static block, :target_blank, template: element, depth: 5 %>
-
 <% end %>