minor #6122 Added missing mandatory parameter (yceruto)

This PR was submitted for the 2.7 branch but it was merged into the 2.3 branch instead (closes #6122).

Discussion
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Added missing mandatory parameter

| Q             | A
| ------------- | ---
| Doc fix?      | yes
| New docs?     | no
| Applies to    | all
| Fixed tickets | n/a

Commits
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0368933 Added parameter mandatory

Author: xabbuh

cookbook/profiler/data_collector.rst

@@ -203,7 +203,7 @@ must also define additional blocks:
             </div>
         {% endset %}
 
-        {{ include('@WebProfiler/Profiler/toolbar_item.html.twig') }}
+        {{ include('@WebProfiler/Profiler/toolbar_item.html.twig', {'link': true}) }}
     {% endblock %}
 
     {% block head %}