add trailing question mark and remove empty newline on generated partial

Author: patriciomacadden

lib/generators/tailwindcss/scaffold/templates/partial.html.erb.tt

@@ -8,8 +8,8 @@
     <%% <%= singular_name %>.<%= attribute.column_name %>.each do |<%= attribute.singular_name %>| %>
       <div><%%= link_to <%= attribute.singular_name %>.filename, <%= attribute.singular_name %> %></div>
     <%% end %>
-<% elsif attribute.type == :boolean %>
-    <%%= <%= singular_name %>.<%= attribute.column_name %> ? "Yes" : "No" %>
+<% elsif attribute.type == :boolean -%>
+    <%%= <%= singular_name %>.<%= attribute.column_name %>? ? "Yes" : "No" %>
 <% else -%>
     <%%= <%= singular_name %>.<%= attribute.column_name %> %>
 <% end -%>